Tetrahedron (SEU Sonobe)
Model
Folding instructions:
Simple Edge Unit
This is the primary page for this model.
Paper:
copy paper
Type:
other modular polyhedron
(implies:
abstract modular, abstract, balls and polyhedra, geometric, mathematical object, modular balls and polyhedra, modular, multi-sheet, other polyhedra)
Author:
Michał Kosmulski
Units used:
Simple Edge Unit,
by:
Dirk Eisner, Francis Ow, Michał Kosmulski, other/uknown, Tomoko Fuse
(from square paper)
Unit count: 6
Colors:
multi-colored
In albums:
Modular ① – few units, Simple models

This model (first in bottom row) is shown compared to other models folded from SEU units made from 2:1 and square paper (top and bottom row, respectively). Note how the tetrahedron made from Sonobe-like variant becomes a cube due to the pyramids formed by modules’ sides aligning.
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