Autodesk Inventor vs OwlCAD

Autodesk Inventor is Windows software for mechanical design, documentation, simulation, and model-based definition. Its 3D tools combine parametric, direct, freeform, and rules-based modeling, with support for assembly design, sheet metal, and surfaces. Inventor can open designs from other CAD systems without translation. Parts can be exported to formats including DWG, IGES, JT, OBJ, STEP, and STL; assembly exports also include RVT, while drawings support DWG, IDW, DWF/DWFx, and DXF. Design connections include Revit family data, Vault, Factory Design Utilities, and Inventor Nastran. Automation options include iLogic, the API, and Autodesk Platform Services. Inventor is paid, with a 30-day trial and no permanent free tier. Displayed monthly, annual, and three-year prices are placeholders, not figures. A subscription permits installation on up to three devices, but only the named user may sign in and use it on one computer at a time.

OwlCAD is a parametric CAD tool for modeling 3D objects and assemblies in a browser or on Windows, macOS, and Linux. Its editor, modeling features, customizer, and file import and export are free forever, and every plan includes commercial rights to sell prints and files. The browser version requires no installation and can be opened without an account. OwlCAD imports and exports STL, 3MF, OBJ, GLB, STEP, SVG, and DXF files, and imports OpenSCAD SCAD and CSG files. Cloud projects autosave and keep version histories that can be rolled back. Projects are private by default; read-only share links, embeds, and comments can be enabled. Print preparation tools check mesh watertightness, repair geometry, estimate filament cost, and split oversized parts, with profiles for Ender 3, Prusa, and Bambu Lab. Published models can expose dimensions, counts, and text as browser sliders for downloadable print-ready versions. Pro adds AI generation and editing, monthly credits, and MCP access for use with Claude Code, Claude Desktop, Cursor, and other MCP clients.