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Slice & export

Every model is a watertight Manifold solid — export STL, STEP, glTF, or PLY, or hand it straight to the slicer.

CubbyCAD builds your model as a single watertight solid using the Manifold CSG engine, so what you see is what gets exported — no stray inverted normals or holes. When you're ready to leave the editor, you can export the geometry to a standard 3D file or send it to the built-in slicer for 3D printing.

Use STL for a quick print-ready mesh, STEP when another CAD package needs solid geometry, and glTF/GLB or PLY when you want to keep per-vertex colour. Use Open Slicer to jump straight to laying out and slicing the current model.

Export: the File ▸ Export menu
Overview. Exporting a model to STL / STEP / glTF / PLY.

How to use it

  1. Open the Export menu

    Open the File menu and choose Export to expand the submenu.

  2. Export an STL

    For a fast mesh, pick Export STL… (or press Ctrl+E) — this exports the whole scene as an STL straight away.

  3. Pick another format

    For other formats, choose Export STEP…, Export glTF (colour)…, or Export PLY (colour)… from the same submenu.

  4. Export a single group

    To export just one group, select it and use Export this group… in the group's Export section of the Properties panel. This opens the Export dialog where you set a File name and pick a Format (STL, STEP, glTF / GLB (colour), or PLY (colour)), then click Export.

  5. Slice for printing

    To slice for printing, choose File ▸ Export ▸ Open Slicer ↗. The slicer opens in a new tab and the current model is handed over automatically as STL.

The experimental web-based 3D print slicer
In the editor. The experimental web-based 3D print slicer.

Tips

  • STL and STEP carry geometry only. If you need to preserve the per-vertex colours from voxel/imported parts, export glTF / GLB or PLY instead — the dialog labels these "(colour)".
  • Export always runs at full quality. Even if Preview Mode is reducing on-screen detail, the exporter drops the render-only coarseness and rebuilds before reading the geometry, so files aren't blocky.
  • The slicer is a separate app that opens in a new tab. If your scene is empty or your browser blocks the pop-up, it won't auto-load a model — you can still upload an STL there manually.
  • For a group export, set an Export name in the group's properties first; it pre-fills the file name in the export dialog.
  • STEP / glTF / PLY are flagged as Pro formats in the export dialog (STL is always free); selecting a locked format prompts to upgrade and reverts to STL.

Try it in your browser

Open CubbyCAD and put Slice & export to work — it runs in the browser, no install.

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