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Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism

f2cb06647ac2931cfdb146452bc0c300_preview_featured.jpg Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
dbee0ed917b6d246c1d24280bbc17880_preview_featured.jpg Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
d7cc510be0080ab2eeea63a13d681f49_preview_featured.jpg Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
77621d171ae8d68dccb3981ac03649fc_preview_featured.jpg Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
Cube_SpikeyShell_A.stl Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
Cube_SpikeyShell_B.stl Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
Cube_SpikeyShell_Both.stl Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
Cube_SpikeySolid_A.stl Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
Cube_SpikeySolid_B.stl Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
Cube_SpikeySolid_Both.stl Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
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Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.
  • 2.4k views
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  • 45 downloads
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3D design format
STL Folder details Close
  • Cube_SpikeyShell_A.stl
  • Cube_SpikeyShell_B.stl
  • Cube_SpikeyShell_Both.stl
  • Cube_SpikeySolid_A.stl
  • Cube_SpikeySolid_B.stl
  • Cube_SpikeySolid_Both.stl

Learn more about the formats
Publication date 2018-08-01 at 09:19
Design number 29535
LGBU

LGBU

3D printer file info

3D model description

Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
The design is a backward derivative of the Yoshimoto cube. It does not flex. It can be used as a first step toward the whole Yoshimoto cube. Mathematically, four copies will make a cube. Two spiky ones will make a stellated dodecahedron with 12 rhombic spikes. Two hollow ones will make a hollow cube that can hold a stellated dodecahedron. The rest is left to your imagination.

Interesting questions about posed about the structure of these solids. For example, what is the ratio of the two diagonals on the base of a rhombic spike (square root of 2).

Each unit cube is 25 mm^3. Two versions are provided: Solid and Shelled.

Please note that, in spite of the built-in tolerance, when the two pieces are snapped together, it can be hard to separate them. I have made a hole to make it easier. In case they are really hard to separate, please consider the use of some warm water.

Please try TPU flexible filament if you have it. Have fun!

3D printing settings

Rafts:

No

Supports:

No

Resolution:

.1 to .2mm

Infill:

5-20%

Post-Printing

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