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Cube (Thirds) Dissection: Three Congruent Pyramid Combos

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3D model description

###Cube (Thirds) Dissection: Three Congruent Pyramid Combos

The cube can be dissected into 6 congruent square pyramids, which all meet at the center of the cube at a dihedral angle of 45 degrees. Two adjacent pyramids can be combined for a third-cube. It is simple and playful, worth a place in an elementary teacher’ resource kit. Please check out numerous other ways to dissect a cube!

Two sizes and two styles are included: 25mm and 50mm; center holes or not.

3D printer file information

  • 3D design format: STL Folder details Close
    • ThirdCubeP_25mm.stl
    • ThirdCubeP_50mm.stl
    • ThirdCubeP_Hole_25mm.stl
    • ThirdCubeP_Hole_50mm.stl

    Learn more about the formats

  • Publication date: 2018/08/28 at 18:06





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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