Fast at any size

Free on every plan, whatever the model size.

• 50 MB STEP files open in about a second once saved
• Smooth at a million triangles
• 1,000 part assemblies open in seconds

Edit models and build assemblies, with Pro

Nothing to install.

• Edit the STEP files you already have
• Create new models from scratch
• Holes, fillets and chamfers
• Patterns and mirrors
• Editable feature history
• DXF export and save as STEP
• Assemblies from your saved parts
• Mates
• Bills of materials
• STEP assemblies
• Embed models on your website

A simpler toolbar

• Fewer tabs, the rest one click away
• One smart Measure tool
• Help that teaches

Make it: nest, cut and run the machine

• Nesting for sheet, plate and saw stock
• Cut files for your machine
• CNC output

Quote, approve and order, around the model

• Quotes
• Approvals and revisions
• Purchase orders
• Priced bills of materials
• Print and export a bill of materials or cut list
• One list of a model’s documents

Your work stays yours

• Open formats out: STEP, STL, IGES, DXF, PDF
• Take your modeling history with you

Free, for everyone, forever

No account needed to view.

• Full 3-D viewer in your browser
• Use it anywhere
• Real measurements
• Sections and assemblies
• Full-color models and real materials
• Notes pinned to the part
• Discussions on the model
• Documents travel with the part
• Share links that carry your setup
• Send to several people at once
• Folders and a Recycle Bin
• Groups, free to join
• Light and dark themes
• Latest revision, automatically
• Easy windows
• Earn storage by sharing

Advanced and Pro: more room, more control

• Open several files in tabs
• Password protected models
• Per-share permissions
• Bulk upload and DXF face export
• Isolate parts and export individual parts
• 3D mouse support on every plan
• Room to grow
• Pro Plus and Pro Max for heavy use

Connect your tools

• Bring your own AI
• Send from your desktop CAD program

AI Features: Bring Your Own AI

You connect Claude, ChatGPT or another AI assistant you already use. What AI can do here.

• Find, open and download models
• Organize your library
• Upload models and new versions
• Read and join the discussion
• Open what others shared with you
• Export as STEP
• Share for you
• Measure and inspect
• Pictures of your model
• Model new parts
• Fabrication parts
• Build and test assemblies
• People sign off, not the AI
• You stay in control