Icosahedron
Platonic SolidsTwenty triangular faces creating the most sphere-like Platonic solid. Nature uses it for viral capsids and radiolaria.
Think of it as...
The closest a flat-faced shape can get to a sphere. It's nature's favorite structure for enclosing space efficiently.
Found in the real world
- Virus capsids (like herpes)
- Geodesic domes
- Twenty-sided dice
- Radiolaria (ocean microorganisms)