Icosahedron
Icosahedron

Pencil on Bristol, 11 x 17 inches, 2018

Dodecahedron
Dodecahedron

Pencil on Bristol, 11 x 17 inches, 2018

Perfect Cube Multiplied
Perfect Cube Multiplied

Pencil on Bristol, 11 x 17 inches, 2018

Thrackle Conjecture
Thrackle Conjecture

Pencil on Bristol, 11 x 17 inches, 2018

Enneagram and Heptagram Thrackles
Enneagram and Heptagram Thrackles

Pencil on Bristol, 11 x 17 inches, 2018

Conway's Doubling
Conway's Doubling

Pencil on Bristol, 11 x 17 inches, 2018

Heptadecagram Thrackle
Heptadecagram Thrackle

Pencil on Bristol, 11 x 17 inches, 2018

Cycloids
Cycloids

Pencil on Bristol, 11 x 17 inches, 2017

Dual Polyhedron
Dual Polyhedron

Pencil on Bristol, 11 x 17 inches, 2017

Axonometric Projection
Axonometric Projection

Pencil on Bristol, 11 x 17 inches, 2017

Tangential Spiral
Tangential Spiral

Pencil on Bristol, 11 x 17 inches, 2017

Regular Polygons
Regular Polygons

Pencil on Bristol, 11 x 17 inches, 2017

Isometric Curves
Isometric Curves

Pencil on Bristol, 11 x 17 inches, 2017

Involutes
Involutes

Pencil on Bristol, 11 x 17 inches, 2017

Tangents
Tangents

Pencil on Bristol, 11 x 17 inches, 2017