A Tessellation Featuring Regular Octagons, Isosceles Trapezoids, Two Types of Squares, Two Types of Convex Hexagons, and Two Types of Rectangles

Image

Three Polyhedra Which Each Contain Four Regular Dodecagonal Faces

I stumbled upon these while playing with tetrahedral-symmetry alterations of a great rhombicuboctahedron, using Stella 4d. You can try this program for free at http://www.software3d.com/Stella.php.

Tessellation Featuring Regular Octagons, Squares, Isosceles Trapezoids, and Thin Crosses

Image

A Tessellation Featuring Regular Hexagons, Squares, Equilateral Triangles, and Isosceles Trapezoids

At first glance, the line segments in this tessellation might appear curved, but they are all perfectly straight.

A Tessellation Featuring Regular Hexagons, Isosceles Triangles, and Squares in Two Sizes

Image

A Tessellation Featuring Regular and Irregular Hexagons, Regular and Irregular Pentagons, Rectangles, Six-Pointed Stars, Equilateral Triangles, and Isosceles Triangles

Image

A Symmetrohedron Featuring Twelve Regular Pentadecagons and Sixty Kites

I made this using Stella 4d, which you can try for free at http://www.software3d.com/Stella.php.

A Curvy Tessellation #5

Image

A Curvy Tessellation #4

Image

An Excavated Truncated Icosahedron

In this polyhedron, the twenty hexagonal faces have had triangular cupolae removed from the inside of the solid. I did this with Stella 4d, which you can find at http://www.software3d.com/Stella.php.