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Nested Shell Spheres (14) with Dodecahedron Pentagon viewports (12)

Dodecahedron.png Nested Shell Spheres (14) with Dodecahedron Pentagon viewports (12)
Dodecahedron.stl Nested Shell Spheres (14) with Dodecahedron Pentagon viewports (12)
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Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.
  • 765 views
  • 3 likes
  • 24 downloads
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  • CE3_Dodecahedron.gcode
  • Dodecahedron.stl

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Publication date 2022-09-11 at 21:44
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Published to Thingiverse on: 2022-01-14 at 07:07
Design number 841553
jfhoff

jfhoff

3D printer file info

3D model description

This design comprises 14 concentric hollow spheres, the outermost being 7 inches in diameter, all 1/8 inch thick with a 1/8 inch spacing between them. The spheres are pierced by pentagonal pyramids, arranged in a dodecahedral (14-sided Platonic solid) pattern, allowing the viewing of all 14 spheres. Included is the gcode file for printing on a Creality Ender 3 Printer and an stl file for slicing to other formats.

The result is clean, except for a few places near the top where the overhang is a bit excessive. This could be corrected in the TinkerCAD codeblock by giving the pentagonal pyramids wider bases, which would also consume less filament and time, but I don't plan to do this since the result was satisfactory for my needs.

Created as a TinkerCAD codeblock (search for "concentric spheres generator" on the "codeblocks" tab on TinkerCAD.com).

CAUTION: This design consumes 743 grams (250 meters) of 1.75 mm PLA filament and takes over 5-1/2 days to print!

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