Non-Flexible Spiky Stellated Rhombic Dodecahedron Half, Cube Dissection, Rectangular Prism
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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
.1 to .2mm
3D printer file information
3D design format: STL Folder details Close
- Publication date: 2018/08/01 at 11:19
STEAM educator, learning from and working with K-12 STEAM teachers to explore new ideas of teaching and engagement. I firmly believe ART is at the core of STEM learning or all human learning! I owe my ideas and designs to the hundreds of K-12 children and teachers and university professors I have had the pleasure of working with, in multiple disciplines-- math, science,engineering language arts, social studies, early childhood education and more! All mistakes, of course, are mine! There is no warranty or liability whatsoever implied or explicit behind the designs or ideas. They are all posted for their potential educational values.
When working with children, please strictly observe all safety and health procedures! Please refer to the NSTA safety guides: http://www.nsta.org/safety/.
LGBU Contact: LGBU@SIU.EDU
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