Thingiverse
Ikosaeder Eckteil
by juewei
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Please see https://www.thingiverse.com/thing:1862570 for the remaining parts, 20 equilateral triangles are needed to form a globe. Not included here.
Recreated the icosahedron_insert_v04 with FreeCAD using only the Part workbench.
The STL of version v04 seems to have a face inclination angle of 52.0° which results in 59.5° corners of the triangles. For correct 60° triangles we use 52.623° inclination here.
The holes are replaced by pockets for neodym magnets of 8mm diameter, 2mm high.
Recreated the icosahedron_insert_v04 with FreeCAD using only the Part workbench.
The STL of version v04 seems to have a face inclination angle of 52.0° which results in 59.5° corners of the triangles. For correct 60° triangles we use 52.623° inclination here.
The holes are replaced by pockets for neodym magnets of 8mm diameter, 2mm high.
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