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Simple STEP editor for makers

Open the part, change the geometry, export it again—without turning the edit into a project of its own.

Glassforge uses OpenCascade B-rep geometry and supports STEP/IGES exchange alongside STL and OBJ. It is aimed at practical edits such as moving faces, cutting holes, adding fillets, combining solids and preparing a part for printing.

Windows x64Arch Linux x86_64Offline-firstSTEP + IGES + STL + OBJOne-time price

Why this exists

A STEP file should not require a full enterprise workflow just to make one useful change.

For many maker jobs the requirement is straightforward: import a solid, adjust it, verify the result and export. Glassforge keeps that direct path visible while retaining the geometry model expected from real CAD data.

STEP + IGES

The current Glassforge codebase includes OpenCascade-based STEP and IGES import/export workflows rather than treating every model as a triangle mesh.

Direct face operations

Press/pull, move, scale, fillet, chamfer, shell and boolean operations cover many practical modifications without rebuilding a model from scratch.

Mesh handoff too

When the part is ready for printing, STL and OBJ workflows are available alongside the CAD exchange formats.

Native desktop workflow

Windows and Linux founder builds run locally with no forced cloud account for the core editor.

Built around real maker jobs

The jobs people actually open CAD for.

Resize a mounting feature
Add or remove a hole
Fillet sharp edges
Combine imported solids
Prepare a STEP part for printing
Convert a CAD edit to STL

Questions before buying

Does Glassforge really use STEP solids?

Yes. Glassforge is built on OpenCascade and the current source includes STEP and IGES data-exchange toolkits as part of the verified native build.

Can I edit STL too?

Glassforge includes STL and OBJ workflows, but STEP/IGES solids are the better fit when you want B-rep CAD operations rather than mesh-only editing.

Is this intended to replace enterprise CAD?

No. The focus is the opposite: practical maker and 3D-printing work where a lighter direct editor can be faster than opening a much larger engineering environment.

Which build should I use?

Windows users can use the portable x64 founder package. Arch Linux users have a verified native x86_64 build in the same founder delivery.

Glassforge 3.4 founder release

Offline CAD that stays focused on making the part.

Windows x64 and Arch Linux x86_64 builds are available through the same €39 one-time founder purchase. Payment is handled by PayPal and successful payment redirects to a private delivery page.

Glassforge 3D Design is independently developed software. Autodesk and Tinkercad are trademarks of Autodesk, Inc.; Glassforge is not affiliated with or endorsed by Autodesk.