Some penplotter projects by the Rev Dan Catt.
The Wick Editor
Free open source icons, illustrations, emojis and graphics - Iconduck
Home | Scan The World
manoloide/AllSketchs
Grid – infinite.center
Generative Artistry
Pattern Generator
Same Energy | Visual Search Engine
noisedeck
Geometrize - desktop app for geometrizing images into geometric primitives
✂Templatemaker ︎
SculptGL - A WebGL sculpting app