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Rhombic Icosahedron and its Dissection, Golden Ratio

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3D model description

Rhombic Icosahedron and its Dissection, Golden Ratio
A rhombic icosahedron built from a rhombic triacontahedron. Each rhombus has a golden ratio between its long and short diagonals. It looks strange on screen but feels great when you have it in your hands! Four versions are included in two sizes: whole, shelled whole, the half, and shelled shelf, to meet diverse needs. It takes two congruent halves to make whole as expected.

Using a shelled one, perhaps someone can keep a plant in it? Have fun!

3D printing settings






.1 to .2mm



  • 3D file format: STL
  • Publication date: 2018/05/11 at 12:09


Designs 218
Downloads 10.2k
Followers 88

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:




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