Solid Cube with Tennis-Ball Coloring

Model July 3, 2026
Folding instructions: Building Block Units
Main model description: Solid Cube
Paper: copy paper (thicker than usual: looks like 100-120 gsm)
Type: business card origami, modular cubes and cuboids (implies: abstract modular, abstract, balls and polyhedra, cubes and cuboids, geometric, mathematical object, modular, multi-sheet)
Author: Michał Kosmulski
Units used: Building Block Units, by: Michał Kosmulski (just A2 tiles)
Unit count: 57
Colors: blue, red
In albums: Modular ② — medium number of units

Images are licensed under the Creative Commons Attribution-NonCommercial 4.0 International License

This fold of Solid Cube uses two colors of paper for an interesting effect. During one of my workshops, where we folded Two-Unit Cube III, one participant, whose name I unfortunately do not remember, suggested the name “tennis ball coloring” for this color scheme, and I started using this term since then.

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