Inspect & measure

View the model and inspect triangles, bounds, volume, and sections.

2 tools

Local STL viewer and geometry inspector

Inspect STL files locally in your browser. Stream triangle data in a Worker, see welded vertex counts, bounds, surface area and volume, and cache a decimated preview for fast repeat opens. No upload.

Open tool

Face countsReady

STL triangle and vertex counter

Count STL triangles and welded vertices locally in your browser. Detect degenerate faces and inspect bounds without uploading the model.

Open tool

Browse by workflow

31 tools

Format conversion

Convert between mesh formats, or tessellate STEP / IGES / BREP into a mesh.

Explore

9 tools

Mesh repair

Fill holes, weld vertices, unify normals, and remove degenerate or non-manifold faces.

Explore

5 tools

Transform & optimize

Scale, rotate, center, place on the bed, decimate, hollow, and split.

Explore

6 tools

Print readiness

Wall thickness, overhang, build-volume fit, and material/time estimates.

Explore

1 tool

G-code

Layer preview, layer count, path length, and filament statistics.

Explore