Tetrahedron
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Cross Reference
Tetrahedron: Visible or Invisible Chordal Arcs:
"The tetrahedron's edges may be 'straight,' i.e., chordal 'invisible' arcing (small segments of arcs of large radius), or 'visible' arcs (larger segments of arcs of smaller radius).
Citations
- INDUSTRIAL LOGISTICS AND DESIGN STRATEGY, p.1. See Figure 4, thereof.1952
