Geometrical 3D forms
thingiverse
Geometrical 3D forms maybe for your math-lesson cone, cube, cuboid, cylinder, sphere, prism3, prism6, pyramid4, pyramid3, pyramid frustum, cone frustum, torus with OPENSCAD-Files (parametric, easy to change) for OPENSCAD-beginners: Change Parameter, press F5 for preview, then F6 for rendering, then export to stl very easy to print, infill 0.1
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With this file you will be able to print Geometrical 3D forms with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Geometrical 3D forms.