Want a free Fusion 360 alternative with no install? OwlCAD is browser-based parametric CAD for 3D printing — editable history, fillets, exact dimensions, STEP, and print-aware export, with no desktop app or Autodesk account.
OwlCAD gives you editable history, fillets, exact dimensions, STEP, and print-aware tools in the browser — free, with nothing to download. Lighter than Fusion and focused on designing parts you’ll actually print.
Free to use · No desktop app · Start without an account
OwlCAD isn’t a full mechanical CAD/CAM suite — no simulation or toolpaths — but for designing print-ready parts, it covers the ground that counts.
No desktop install and no Autodesk account — open a tab and start modeling. Fusion 360 is a desktop app you download and sign into.
Re-open a past sketch, boolean, or dimension and the model rebuilds downstream — a real, editable timeline you can scrub.
Type lengths and angles, add constraints, round or bevel single edges, and measure between any two points. Precision, not eyeballing.
True millimetres, printer profiles for Ender 3, Prusa, and Bambu Lab, auto-orient, scale-to-fit, watertight checks, hollowing, and repair.
Import and export solid STEP, plus STL, 3MF, OBJ, GLB, and SVG — so your work flows between OwlCAD and the rest of your CAD tools.
Describe a part and get an editable starting point — parametric or mesh. Included with OwlCAD Pro.
No download, no account to start — open the editor and build something printable.
Yes — OwlCAD is a free, browser-based parametric CAD for 3D printing with editable history, fillets, exact dimensions, and STEP export. The full editor is free, with an optional Pro plan that adds AI generation.
No. OwlCAD runs in any modern browser with nothing to download, and you can start modeling without an account — Fusion 360 is a desktop application that requires an Autodesk account.
OwlCAD is lighter and focused on designing parts for 3D printing — parametric solids, sketches, booleans, fillets, print-aware checks, and STEP. It is not a full mechanical CAD/CAM suite like Fusion, and does not include simulation or toolpaths.
Export a STEP, STL, 3MF, or OBJ from Fusion and import it into OwlCAD — units are detected on the way in. STEP comes in as a solid you can keep building on.