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We just fixed downloads: every STL now comes straight from fast, reliable storage, saved under its own name, we're making 10,000 STL files and dozens of new tools, so things might break. We'll fix them ASAP.

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PLY Polyhedron Maker StarForge 3D Modeling Software

Menger Sponge and Platonic Solid Models

Stanford's Polygon File Format is a research favourite read by MeshLab and CloudCompare, ideal for counting faces or measuring a fractal's surface in a lesson on geometry. The PLY Polyhedron Maker gives Platonic solids, a truncated icosahedron, a torus, a trefoil knot, a Menger sponge or a Sierpinski pyramid, solid or as a closed 3 mm strut frame, fractal levels 1 to 4, size in a click. StarForge 3D Modeling Software also writes each as a 3D Print STL File for 3D printing classroom math shapes.

81+ StarForge 3D Modeling Software

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STL Downloadsup to45up to150up to450up to1,500up to4,000
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