All categories · Q&A
🧊 General 3D Modeling, CAD & Mechanical Design
General CAD, 3D modelling and mechanical design tools produce geometry rather than building information: lines, surfaces, solids and meshes without the object semantics (wall, door, slab) that BIM authoring tools attach and that IFC carries between platforms. In AEC they sit around the BIM model: 2D drafting and legacy DWG/DGN drawings, concept massing and facade studies, fabrication and product design for building components, and visualisation or animation of the finished design. Understanding where geometry-only tools end and information-rich BIM begins is what lets a team move data between them without losing meaning.
What is the difference between a general 3D modelling or CAD tool and a BIM authoring tool?
A CAD or 3D modelling tool such as AutoCAD, SketchUp, Rhino or Blender stores geometry: lines, faces, surfaces, solids or meshes. A BIM authoring tool such as Revit, Archicad or Vectorworks stores building objects: a wall knows it is a wall, has a type, layers, a fire rating and relationships to the floors and rooms around it. That object semantics is what lets BIM tools schedule quantities, run clash checks by discipline and exchange data through IFC. Geometry tools can be pushed into a BIM workflow by classifying elements (SketchUp IFC tags, BricsCAD BIM) or by plugins (VisualARQ for Rhino, Bonsai for Blender), but by default a face or a solid carries no building information.
Where do general CAD and 3D tools normally sit inside an AEC BIM workflow?
They occupy four zones around the BIM model. Concept design: SketchUp, Rhino and BricsCAD Shape for massing and facade options before the model moves to Revit or Archicad. Drafting and legacy documents: AutoCAD, BricsCAD, ZWCAD and MicroStation for 2D details, survey linework and DWG or DGN deliverables that clients still require. Fabrication and product design: Inventor, SOLIDWORKS, Fusion and Onshape for manufactured components, curtain-wall units and MEP equipment that are published back to the model as Revit families or IFC objects. Visualisation (DCC): 3ds Max, Blender and Cinema 4D for renders, animations and VR taken from the BIM geometry.
Which exchange formats should I use to move geometry between CAD tools and BIM tools without losing precision?
For precise solids and surfaces between CAD systems use STEP (AP214/AP242) or, within the Autodesk family, SAT; both preserve B-rep geometry. For 2D and simple 3D linework use DWG or DXF, which every tool in this category reads. For visualisation use FBX, glTF or USD, which carry meshes, materials and cameras but not CAD precision. For BIM data use IFC, which carries objects, properties and classification; only tools with IFC support (BricsCAD BIM, SketchUp Pro, FreeCAD, SOLIDWORKS, Inventor export) can produce it. Mesh formats such as OBJ and STL lose all curvature and should be a last resort.
I need an AutoCAD replacement that reads and writes DWG. What are the realistic options?
BricsCAD (Bricsys/Hexagon) is the closest functional match, with the same command set, LISP support, perpetual licensing and Windows, macOS and Linux versions, plus BIM and Mechanical editions. ZWCAD (ZWSOFT) is a lower-cost Windows option with perpetual licences and LISP, VBA, ZRX and .NET APIs for porting add-ons. Other DWG-based tools include DraftSight (Dassault), GstarCAD and nanoCAD. MicroStation reads DWG but works natively in DGN and is a better fit for Bentley infrastructure environments than as a drop-in AutoCAD replacement. All of these rely on the Open Design Alliance DWG libraries rather than Autodesk's RealDWG.
Which tool is best for early concept massing before the BIM model starts?
SketchUp is the fastest for volumetric massing and client sketches, and exports DWG, IFC and glTF for the next stage. Rhino is better when the concept involves freeform or parametric geometry, because Grasshopper can drive options and Rhino.Inside.Revit can push the result straight into Revit. BricsCAD Shape is a free SketchUp-style modeller that saves DWG for a later BricsCAD BIM or Revit workflow. Revit and Archicad also have massing tools, so for simple boxes many teams start in the BIM tool directly and avoid a translation step.
How can a manufacturer of building products get their CAD models into a client's BIM model?
Deliver both a native Revit family (RFA) and an IFC object. Inventor's BIM Content environment simplifies the mechanical model, adds connectors and MEP properties and exports RFA or IFC. SOLIDWORKS exports IFC directly and STEP for Revit import. Fusion and Onshape export STEP or SAT, which a BIM modeller imports into a Revit family template. In every route, simplify geometry first, remove internal parts and fasteners, set the category and classification (Uniclass, OmniClass, IfcType) and add the product parameters clients need for schedules. Many manufacturers also publish through content platforms such as BIMobject or NBS.
Which CAD and 3D skills are most valuable for a BIM coordinator alongside Revit or Archicad?
AutoCAD or BricsCAD for reading, cleaning and issuing DWG details and survey data remains essential. Rhino with Grasshopper opens computational design, facade coordination and automated model checking. Blender with Bonsai gives a free IFC editor for auditing and repairing IFC files. A basic understanding of one MCAD tool (Inventor, SOLIDWORKS or Fusion) helps when coordinating manufactured components and DfMA. Recognised certifications include Autodesk Certified Professional in AutoCAD for Design and Drafting, Bentley's MicroStation accreditation and Dassault's CSWA/CSWP.
Why did BIM emerge from CAD, and why do geometry-only tools still exist?
CAD replaced the drawing board from the 1980s (AutoCAD 1982, MicroStation 1984) with digital lines, and 3D solid modelling followed. Object-oriented building models appeared with Archicad in the 1980s and Revit in 2000, adding semantics so drawings, schedules and analysis could be derived from one model; IFC (1997 onwards) standardised the exchange of those objects. Geometry-only tools survive because much AEC work does not need object data: freeform surfaces for fabrication, high-end rendering, quick concept studies and the vast stock of DWG and DGN drawings that clients still require. The practical skill is knowing when to move from geometry to information and how to carry data across that boundary.
What is AutoCAD and what is the current version?
AutoCAD is Autodesk's general-purpose 2D drafting and 3D modelling software, first released in 1982 and the origin of the DWG file format. The current release is AutoCAD 2027, sold by subscription for Windows and macOS with AutoCAD Web and mobile apps included. The subscription bundles specialised toolsets such as Architecture, MEP, Mechanical, Plant 3D and Map 3D. AutoCAD LT is the lower-cost 2D-only edition without 3D modelling or the LISP/ARX customisation APIs.
About Autodesk AutoCAD · Certification
How should I prepare an AutoCAD DWG so it links cleanly into Revit as an underlay?
Purge unused blocks, layers and styles, run AUDIT and OVERKILL, and move the drawing near the origin so Revit does not reject geometry more than 20 miles from 0,0. Set units explicitly and keep the file in model space with meaningful layer names, because Revit maps each DWG layer to its own line pattern and visibility control. Explode nested xrefs or bind them, remove proxy objects from vertical toolsets, and save to a DWG version the Revit release accepts. In Revit use Link CAD rather than Import CAD so updates flow through and the DWG can be unloaded later.
About Autodesk AutoCAD · Certification
What automation options does AutoCAD offer, and which one should an office standardise on?
AutoCAD exposes AutoLISP and Visual LISP (interpreted, quick for command-line tools), the .NET API in C# or VB.NET (full object model, modern tooling), ObjectARX in C++ (fastest, used for commercial add-ons and custom entities) and VBA (legacy). Action Recorder handles simple macros without code, and Autodesk Platform Services offers cloud Design Automation for AutoCAD to batch-process DWGs on a server. For office tooling most teams standardise on .NET for anything shipped to other users and keep LISP for personal utilities, because LISP also runs unchanged in BricsCAD and ZWCAD, which protects the investment if the office changes platform.
About Autodesk AutoCAD · Certification
What editions does BricsCAD come in, and can I still buy a perpetual licence?
BricsCAD V26 is sold as Lite (2D drafting), Pro (2D plus 3D solids and full APIs), Mechanical (sheet metal and assemblies), BIM (classified building elements and IFC) and Ultimate (everything). All editions use the DWG format natively and run on Windows, macOS and Linux. Bricsys offers both perpetual licences with optional maintenance and subscriptions, which sets it apart from AutoCAD's subscription-only model. A 30-day trial of Ultimate is available, and Bricsys is owned by Hexagon AB since 2018.
About BricsCAD BIM · Certification
Will my AutoCAD LISP routines, blocks and CUI menus work in BricsCAD?
In most cases yes. BricsCAD implements AutoLISP and Visual LISP (including vl- functions), reads CUI/CUIX menu files, and supports DWG, DWT templates, dynamic blocks (which it can also convert to parametric blocks), hatch patterns and linetypes without conversion. ObjectARX applications must be recompiled against the BRX SDK, which is largely source-compatible, and .NET add-ons usually need only a rebuild against BricsCAD's assemblies. Vertical-specific objects from AutoCAD Architecture or Civil 3D appear as proxy graphics only.
About BricsCAD BIM · Certification
How does BricsCAD BIM handle IFC, and can I use it in an openBIM project?
BricsCAD BIM and Ultimate import and export IFC, keep building elements classified with IFC types and property sets inside the DWG, and can read Revit RVT geometry. Tools such as BIMIFY classify plain solids automatically and Quick Draw sketches walls and slabs directly as BIM elements. Wikipedia and Bricsys materials report IFC 4.3 support, but on 15 September 2026 the buildingSMART certification register could not be opened to confirm a current certificate, so check the register before relying on it in a contract. In practice BricsCAD BIM exports IFC that Solibri, Navisworks and Archicad read for coordination, and the BricsCAD 24/7 or Bricsys 24/7 cloud handles model sharing.
About BricsCAD BIM · Certification
What is MicroStation and how does it relate to OpenRoads and OpenBuildings?
MicroStation is Bentley Systems' CAD platform for infrastructure, dating from 1984 and now at MicroStation 2026, using the DGN file format and reading DWG, DXF, SHP and point clouds directly. It provides 2D drafting and 3D modelling for roads, rail, bridges, utilities and buildings. Bentley's discipline applications OpenRoads Designer, OpenRail, OpenBridge and OpenBuildings Designer are built on top of it, so a MicroStation licence and skills underpin the whole Bentley design family. It is sold as a Virtuoso subscription that bundles training Keys.
About Bentley MicroStation · Certification
What are the practical differences between DGN and DWG when I exchange files with AutoCAD users?
DGN files contain models (design and sheet), levels instead of layers, references instead of xrefs and cells instead of blocks, and a working-units system that defines the design cube. MicroStation opens and saves DWG directly through Bentley's DWG workmode, mapping levels to layers and cells to blocks, and can reference DWG files without translation. Losses appear with dynamic blocks, AutoCAD vertical objects, some hatch and text styles, and with DGN-specific items such as multiple models per file. Agree a seed file, level-to-layer mapping table and unit settings with the AutoCAD side before the first exchange.
About Bentley MicroStation · Certification
How do MicroStation models feed federated BIM review and ISO 19650 delivery in a Bentley environment?
MicroStation publishes i-models and iTwin content, so design files can be federated in iTwin, reviewed in Bentley Navigator or SYNCHRO and combined with OpenRoads and OpenBuildings models. IFC can be imported for reference; certified IFC export for buildings comes from OpenBuildings Designer rather than plain MicroStation. Document control, naming and status codes for ISO 19650 are normally handled in ProjectWise, which manages DGN references, work-in-progress and shared states. For Navisworks-based review, export DGN to DWG or to i-model/IFC via the Bentley applications, and check that the coordinate system and working units survive the round trip.
About Bentley MicroStation · Certification
Which SketchUp plans exist and which one do I need for professional work?
Trimble sells SketchUp Go (web and iPad only), Pro (desktop for Windows and macOS plus LayOut and Style Builder) and Studio (Pro plus point-cloud, Scan Essentials and rendering, Windows only), all on annual or monthly subscription. SketchUp Free is a browser version for non-commercial use, and SketchUp for Schools is free with education accounts. For professional documentation you need Pro or Studio, because only they include desktop modelling, LayOut for 2D drawings, DWG and IFC export and the Extension Warehouse. The current desktop release is SketchUp 2026 (2026.2).
About SketchUp (Pro / Studio) · Certification
How do I keep a SketchUp model organised so it exports cleanly to Revit or Archicad?
Model every building element as a group or component, never loose geometry, and name components by element type. Use tags (formerly layers) for control of visibility and not for geometry ownership, keep the model near the origin with correct units, and turn faces the right way out so exported normals are consistent. Assign IFC classifications through the Classifier in the Entity Info panel when the recipient wants IFC, and export DWG for 2D or FBX/OBJ for reference geometry only. Avoid excessive polygons from imported furniture, and purge unused components and materials before export.
About SketchUp (Pro / Studio) · Certification
Can SketchUp produce a usable IFC model for an openBIM project?
SketchUp Pro and Studio import and export IFC and let you assign IFC entity types (IfcWall, IfcSlab, IfcDoor) and basic attributes to components through the Classifier. The result is a geometry-rich but data-light IFC: elements carry their type and name, but property sets, material layers and relationships are limited compared with Revit or Archicad. It is adequate for coordination, visual checks in Solibri or BIMcollab Zoom and early-stage massing exchange, but not for quantity take-off or COBie. For richer data, move the model into a BIM tool, or use extensions that write property sets before export. Trimble Connect provides cloud sharing and a BCF-style issue workflow around the model.
About SketchUp (Pro / Studio) · Certification
What is Rhino, what does it cost, and is Rhino 9 out?
Rhinoceros (Rhino) is a NURBS-based 3D modeller from Robert McNeel & Associates for Windows and macOS, with Grasshopper visual programming built in since Rhino 6. It is sold as a perpetual licence; the vendor lists a commercial licence at EUR 995 and a student licence at EUR 195, with a 90-day evaluation. Rhino 8 is the current shipping version as of September 2026; Rhino 9 exists as a work-in-progress that licence holders can test, but it has not been released. Rhino stores geometry in .3dm files and exchanges STEP, IGES, DWG, SKP, OBJ, FBX, glTF and USD.
About Rhinoceros 3D (Rhino) · Certification
What is the best way to get Rhino geometry into Revit with proper BIM categories?
Rhino.Inside.Revit runs Rhino and Grasshopper inside the Revit process and provides over 300 Revit-aware Grasshopper components, so you can turn Rhino surfaces into native walls, floors, roofs, adaptive components or DirectShapes with categories and parameters, and keep the link live. This is the preferred route for facades and complex roofs. Simpler paths are importing 3DM or SAT into a Revit family (creates unclassified solids), or exporting IFC from Rhino via VisualARQ or Geometry Gym when the target is an openBIM platform. Whatever route you choose, model in Revit's units, keep geometry near the origin and break large surfaces into element-sized pieces first.
About Rhinoceros 3D (Rhino) · Certification
How do Grasshopper, RhinoCommon and Rhino Compute fit into an automated AEC pipeline?
Grasshopper is the visual layer where designers build parametric definitions; Python (RhinoPython or GhPython), C# scripting and the RhinoCommon .NET SDK let developers write custom components and plugins. Rhino Compute exposes the same geometry engine as a REST service, so a Grasshopper definition can run headless on a server, driven from a web app, Speckle or a Revit add-in via Rhino.Inside. A typical pipeline stores parameters in a database, solves the definition in Compute, and writes results to Revit through Rhino.Inside.Revit or to IFC through IfcOpenShell. Licences for Compute are metered by core-hour on the McNeel cloud licensing service, so cost modelling belongs in the design of the pipeline.
About Rhinoceros 3D (Rhino) · Certification
Is Blender really free for commercial use, and what is the current version?
Yes. Blender is released by the Blender Foundation under the GNU GPL, so it is free for personal, educational and commercial work on Windows, macOS and Linux with no registration. Version 5.2 (July 2026) is the current stable release. The Foundation funds development through donations and the Blender Development Fund, and Blender Studio sells optional training and production files. Files created in Blender belong to you; the GPL applies to the software itself, not to your models or renders.
About Blender · Certification
How does Blender become a BIM tool with Bonsai, and what can it do with IFC?
Bonsai (formerly BlenderBIM) is a free add-on built on IfcOpenShell that makes IFC the native working format inside Blender. You can open an IFC file, edit geometry and properties, create walls, slabs and openings as IfcWall, IfcSlab and IfcOpeningElement, manage spatial structure, classifications, materials and property sets, write BCF issues and save straight back to IFC without a proprietary intermediate format. It also handles IDS validation, drawing generation from IFC and cost and schedule data. Because the data model is native IFC, Bonsai is widely used to audit, repair and enrich IFC files exported from Revit or Archicad before they are shared in a CDE.
About Blender · Certification
How can I automate scan-to-mesh clean-up or batch rendering of BIM models in Blender?
Blender exposes its full data model through the Python bpy API, and it can run headless from the command line with the --background and --python flags, which suits build servers and render farms. A pipeline typically imports IFC through IfcOpenShell (or Bonsai's Python modules), applies Geometry Nodes or decimation modifiers to reduce scan meshes, assigns materials by IFC class, and renders with Cycles or EEVEE per camera preset, writing images to a CDE folder. For point clouds, import PLY or E57 via add-ons, then use Geometry Nodes to instance or filter. Version-pin the Blender and add-on releases because the Python API changes between major versions such as 4.x and 5.x.
About Blender · Certification
What is 3ds Max used for in architecture and what is the current version?
3ds Max is Autodesk's Windows-only modelling, rendering and animation package, first released in 1996 and currently at 3ds Max 2027.1 (May 2026). Architectural visualisation studios use it to produce photorealistic images, animations and VR content from Revit, AutoCAD or SketchUp geometry, rendering with Arnold (included), V-Ray or Corona. It is sold by subscription with education access for students and educators. Its native file is .max and it exchanges FBX, OBJ, USD, DWG and links Revit RVT files directly.
About Autodesk 3ds Max · Certification
What is the difference between linking and importing a Revit model in 3ds Max?
File Link Manager creates a live link to the RVT (or DWG/FBX) file: geometry, materials and cameras come in organised by Revit category or material, and when the Revit model changes you reload the link and keep the materials, lighting and modifiers you applied in 3ds Max. Import creates a static copy with no update path. For ongoing design visualisation always link, combine objects by material or category to keep the scene light, use Revit's 3D view and phase settings to control what is sent, and convert Autodesk materials to the physical material of your render engine after linking.
About Autodesk 3ds Max · Certification
My Revit model makes 3ds Max unusable. How do I keep visualisation scenes manageable?
Export from a dedicated Revit 3D view with only the categories needed, hide furniture and MEP unless they are seen, and set detail level to Medium rather than Fine. In 3ds Max link by material to reduce object count, weld and optimise meshes with ProOptimizer where curvature allows, and replace repeated items with instances. Use proxies (V-Ray proxies, Corona proxies or Arnold procedurals) for vegetation and entourage, keep textures at sensible resolutions, and split interior and exterior scenes. Consider USD for 3ds Max to stage large scenes and share them with other DCC tools, and move quick design visuals to Twinmotion or Enscape so 3ds Max is reserved for final imagery.
About Autodesk 3ds Max · Certification
What is Cinema 4D and why is it associated with Archicad?
Cinema 4D is Maxon's 3D modelling, animation and rendering application for Windows and macOS, currently at version 2026.3, sold by subscription alone or in the Maxon One bundle with Redshift GPU rendering included. Maxon is part of the Nemetschek Group, the same group that owns Graphisoft (Archicad), Allplan and Vectorworks, so Archicad exports directly to the Cinema 4D format and many Archicad users render and animate there. It reads CAD formats such as STEP, CATIA and SolidWorks and exchanges USD, FBX, glTF and Alembic. It is a DCC tool with no IFC or building information.
About Maxon Cinema 4D · Certification
How do I bring an Archicad or Revit model into Cinema 4D and keep materials editable?
From Archicad, use File > Save As to the Cinema 4D format, or export FBX or USD; layers and materials arrive as objects and material tags. From Revit, export FBX from a 3D view or go through 3ds Max or Twinmotion, since Cinema 4D has no RVT reader. Once inside, use the Take System to hold facade, material and lighting variants without duplicating the scene, replace imported materials with Redshift materials, and keep the model as instances where elements repeat. Re-import updates by merging with the same object names so tags and animation are preserved.
About Maxon Cinema 4D · Certification
Should an arch-viz team choose Cinema 4D, 3ds Max or Blender?
Choose 3ds Max if the practice is Revit-based and needs the RVT link, the largest AEC asset library and studio-standard V-Ray or Corona pipelines on Windows. Choose Cinema 4D if the practice runs Archicad or Allplan, works on macOS, wants Redshift included and produces motion graphics or animations. Choose Blender if licence cost matters, the team is comfortable with a different interface, or the workflow benefits from Bonsai for IFC. All three exchange through FBX, USD and glTF, so a mixed studio is workable; the decision usually follows the BIM authoring tool and the operating system already in the office.
About Maxon Cinema 4D · Certification
What is FreeCAD and what is a workbench?
FreeCAD is a free, open-source (LGPL) parametric 3D modeller maintained by the FreeCAD project association, currently at version 1.1.3 (July 2026) for Windows, macOS and Linux. A workbench is a set of tools for one task that you switch between: Part Design for solid parts, Sketcher for constrained 2D sketches, Assembly, TechDraw for drawings, CAM for machining, and BIM for building elements. Every feature is recorded in a parametric history that can be edited later, and everything is scriptable in Python. It reads and writes STEP, IGES, IFC, DXF, STL, OBJ and more.
About FreeCAD · Certification
Can FreeCAD open DWG files?
Not on its own. FreeCAD imports and exports DXF natively through the Draft workbench, but DWG requires an external converter configured in Preferences > Import-Export > DWG. Supported converters include the Open Design Alliance File Converter (free download), LibreDWG and QCAD's dwg2dxf, which FreeCAD calls to translate DWG to DXF behind the scenes. Expect lines, arcs, polylines, blocks and layers to survive; dynamic blocks, annotative objects and vertical-application objects do not. For BIM exchange, IFC is the more reliable path into FreeCAD's BIM workbench.
About FreeCAD · Certification
How good is FreeCAD's IFC support for a real openBIM project?
The BIM workbench uses IfcOpenShell to import and export IFC2x3 and IFC4 and, since version 1.0, offers a native IFC mode in which the IFC file itself is the document and edits are written back without a FreeCAD-specific intermediate model. Walls, slabs, columns, windows, spaces and site elements carry IFC types, property sets and materials, and the same IfcOpenShell engine powers Bonsai in Blender, so results are consistent. Limitations are documentation output, large-model performance and a smaller set of building tools than Revit or Archicad. It is well suited to auditing, editing and small-project authoring, and to research and teaching where an open toolchain matters.
About FreeCAD · Certification
What is SOLIDWORKS and what are its main file types?
SOLIDWORKS is a parametric mechanical CAD system from Dassault Systèmes, released in 1995 and running on Windows only; the current release is SOLIDWORKS 2026 (November 2025). It has three environments with separate file types: parts (.sldprt), assemblies (.sldasm) and drawings (.slddrw). It is built on the Parasolid kernel and exchanges STEP, IGES, Parasolid, DWG, DXF, IFC, STL, 3MF and JT. Licences are sold as perpetual with subscription services, as term licences and as 3DEXPERIENCE cloud offers, with low-cost Student and Maker editions for non-commercial use.
About SOLIDWORKS · Certification
How do I export a SOLIDWORKS assembly of a facade unit so a BIM team can use it?
Create a simplified configuration first: suppress fasteners, gaskets and internal parts, and use Defeature if the design is confidential. For Revit, export STEP AP214 and let the BIM modeller load it into a family template, or export IFC directly from File > Save As with the IFC 2x3 or IFC4 option and set the element name and description. Keep the origin at the installation datum, use metres or millimetres to match the project, and export one file per product type rather than the whole elevation. Provide a PDF datasheet with the parameters the BIM team should add as shared parameters.
About SOLIDWORKS · Certification
What do the SOLIDWORKS certifications (CSWA, CSWP, CSWE) cover, and are they useful in construction?
Dassault runs a ladder of proctored online exams through the 3DEXPERIENCE Certification Center: CSWA (Associate) tests basic part, assembly and drawing skills; CSWP (Professional) tests advanced parametric modelling, configurations and assembly management; CSWPA specialisations cover sheet metal, weldments, surfacing, drawing tools and mould tools; CSWE (Expert) is the top level and requires CSWP plus several CSWPA passes. For construction they are most relevant to facade, steel-connection, modular and MEP-equipment manufacturers, where CSWP or CSWPA Sheet Metal and Weldments demonstrate the fabrication skills needed to produce BIM-ready components.
About SOLIDWORKS · Certification
Is Autodesk Fusion the same as Fusion 360, and is it free?
Yes. Autodesk dropped the 360 from the name in January 2024, so Fusion 360 and Autodesk Fusion are the same cloud-connected CAD/CAM/CAE product, first released in 2013. It runs on Windows and macOS with browser and mobile viewers and receives continuous updates rather than yearly versions. Commercial use requires a paid subscription, but a free personal licence exists for non-commercial home use with some feature limits, and students, educators and qualifying startups receive free licences. Native files are .f3d and .f3z and it exchanges STEP, IGES, SAT, DWG, DXF, OBJ, STL and 3MF.
About Autodesk Fusion · Certification
When would an architecture or construction team use Fusion instead of Revit or Inventor?
Fusion suits small manufactured parts and prototypes: fixtures, brackets, joinery, 3D-printed or CNC-milled components, signage and furniture where integrated CAM matters. Its timeline-based parametric modelling and built-in machining let a fabrication shop go from design to G-code in one tool. It is not intended for whole buildings and has no IFC, so results are exported as STEP or SAT into Revit families or handed to Inventor when a full BIM Content export with connectors is required. Design-build firms and digital-fabrication labs are the typical AEC users.
About Autodesk Fusion · Certification
What should an IT or BIM manager know about Fusion's cloud data model before approving it?
Fusion stores designs in Autodesk's cloud (Fusion Team hubs) rather than in local files; users work from a local cache and can export .f3d archives, but the system of record is the hub. This means access control, project structure and retention are configured in the hub, offline work is limited, and data residency follows Autodesk's region settings, which some public-sector or defence clients will not accept. Design Automation for Fusion and the Fusion API (Python and C++) allow batch export, and Fusion Manage adds PLM. Review the Autodesk terms on data location, decide who administers the hub, and define how released geometry is exported to the project CDE so the BIM record is not left inside Fusion.
About Autodesk Fusion · Certification
What is Autodesk Inventor and how is it different from AutoCAD?
Inventor is Autodesk's Windows-only parametric mechanical CAD system, first released in 1999 and currently at Inventor 2027. Where AutoCAD draws lines and generic solids, Inventor builds feature-based parts (.ipt), assembles them (.iam) with constraints, and generates associative drawings (.idw or .dwg) and presentations (.ipn). It includes sheet metal, frame, tube-and-pipe and cable design, iLogic rule-based automation, AnyCAD referencing of foreign CAD files and a BIM Content environment that publishes products as Revit families or IFC. It is sold by subscription, alone or in the Product Design and Manufacturing Collection.
About Autodesk Inventor · Certification
How does Inventor's BIM Content workflow produce a Revit family?
In the BIM Content environment you first simplify the assembly with Shrinkwrap or Simplify to remove internal detail, then set the Revit category (for example Mechanical Equipment), add connectors for electrical, pipe, duct or cable tray with their engineering properties, define the model's orientation and insertion point, and add parameters and the OmniClass or Uniclass classification. Export writes an RFA that loads directly into Revit, or an IFC or ADSK package. Because the RFA contains the simplified solid, keep the geometry light and consistent across product sizes; use iLogic to generate the family for every catalogue variant from one master model.
About Autodesk Inventor · Certification
What is iLogic and how do manufacturers use it for configurable BIM content?
iLogic is Inventor's rules engine: VB.NET-style rules attached to parts, assemblies or drawings react to parameter changes, suppress features or components, swap iParts and iAssemblies, drive dimensions and even export files. A manufacturer builds one master model of, say, an air-handling unit, defines rules for length, number of sections and connector positions, and a form that sales or engineering fills in. Each configuration can then run the BIM Content export automatically, producing a family of RFA and IFC files with consistent naming and parameters. For larger volumes, the Inventor API in .NET, Design Automation for Inventor in Autodesk Platform Services or Configurator 360 run the same logic on a server.
About Autodesk Inventor · Certification
What is Onshape and does it have a free plan?
Onshape is a cloud-native parametric CAD and product-data-management platform owned by PTC, launched in 2015, that runs entirely in a browser and in iOS and Android apps with updates every three weeks and nothing to install. The vendor lists a Free plan for non-commercial use in which all documents are publicly viewable, a free Education plan, and paid Standard (USD 1,500 per user per year) and Professional (USD 2,500 per user per year) plans, with Enterprise on quote. There are no local files: designs live as versioned documents in Onshape's database, and you export STEP, Parasolid, IGES, DWG, DXF, STL, OBJ or glTF when you need a file.
About Onshape · Certification
How do versions and branches work in Onshape compared with saving files?
An Onshape document records every edit automatically; there is no Save command. When you reach a milestone you create a named version, which is an immutable snapshot. From any version you can create a branch to explore an alternative, and later merge it back into the main workspace, similar to Git. Other people can edit the same document at the same time and you see their changes live, and releases can be managed with a formal approval workflow on Professional and Enterprise plans. For AEC product teams this replaces the cycle of emailing STEP files, and the version history satisfies traceability requirements when components are issued for a project.
About Onshape · Certification
What are FeatureScript and the Onshape REST API used for?
FeatureScript is Onshape's own language, the same one its built-in features are written in, that lets users create custom parametric features (for example a standard cladding bracket generator) that appear in the toolbar and stay fully parametric. The REST API exposes documents, versions, part studios, assemblies, metadata and export endpoints over HTTPS with OAuth, so external systems can read BOMs, trigger STEP or glTF exports, update properties or create documents from templates. Together they support automated product configurators, integration with ERP or a BIM content library, and scheduled export of released parts to a project CDE without anyone opening the CAD interface.
About Onshape · Certification
What is ZWCAD and who makes it?
ZWCAD is a DWG-compatible 2D and 3D CAD application from ZWSOFT, a Chinese software company based in Guangzhou; the current release is ZWCAD 2026. It mirrors AutoCAD's command set and interface, reads and writes current DWG, DXF and DWT files, imports PDF and point clouds, and supports LISP, VBA, ZRX and .NET so AutoCAD add-ons can be migrated. ZWSOFT sells perpetual licences (the vendor lists them from USD 899), subscriptions and network licences, and also offers ZWCAD MFG, a mobile app and the separate ZW3D mechanical CAD product. It runs on Windows.
About ZWCAD · Certification
How do perpetual, subscription and network licences differ in ZWCAD, and which suits a drafting office?
A perpetual licence is a one-time purchase that keeps working indefinitely on the version bought, with optional paid upgrades; a subscription gives access to the latest version while paid; a network (floating) licence is installed on a licence server so a pool of seats is shared by many workstations, which suits offices where not everyone drafts full time. Drafting offices with stable staffing usually choose perpetual seats plus a smaller pool of network licences for occasional users. Check the licence terms for home use and virtual machines before deployment, and keep the licence server version matched to the ZWCAD version.
About ZWCAD · Certification
What compatibility problems appear when exchanging DWGs between ZWCAD and AutoCAD or Revit?
Core geometry, layers, blocks, text, dimensions and hatches transfer well because ZWCAD uses the Open Design Alliance DWG libraries. Problems arise with AutoCAD vertical objects (Architecture, Civil 3D), which appear as proxy graphics, with some dynamic block behaviours, with SHX fonts and linetypes that are not installed on the receiving machine, and with very new DWG versions if the ZWCAD release is older. Before sending to Revit, purge, audit, explode proxies, set the file to a DWG version Revit supports and bind xrefs. Keep a shared set of fonts, plot styles and templates across the ZWCAD and AutoCAD seats, and test one drawing round trip before committing to a mixed office.
About ZWCAD · Certification
No results. Try another term.
About this database
Product names are trademarks of their respective owners. Facts are verified against vendor documentation and dated sources; pricing is described by model only. Spotted an error or a missing tool? Write to [email protected] and we will correct it. Database updated: 2026-09-15.