PEN03 - OCTAHEDRON FROM 12 PENULTIMATE MODIFIED TRIANGLE MODULES
Text-Only Tutorial: © 2026 by Lindy van der Merwe accessorigami.com Please note: This tutorial only covers the assembly of a 12-unit octahedron from the Triangle Module within the Penultimate unit family. For a text-based tutorial on how to fold the actual module and other units within the Penultimate Unit family, visit the following page: accessorigami.com Paper to be used: 12 squares of similar size; use large paper to practice with at first. Note some tutorials recommend using a rectangle made by accordion-folding a square into fourths and then removing one of the panels. Folding level: Beginner/Intermediate Table of Contents 1. Introduction 2. Terms Used 3. Tips for Constructing the Octahedron 4. Construction 1. Introduction The octahedron is one of the five Platonic solids, the others being the tetrahedron, the cube, the icosahedron, and the dodecahedron. You can read more about these fascinating geometric shapes at: cuemath.com There are many way...