Learn how to draw the great cute Firefox using colored pencils on black paper for a vibrant glow effect that instantly stands ...

This is the extensible drawing editor Ipe. Ipe allows you to create figures in PDF format, for inclusion into LaTeX (or plain TeX) documents as well as stand-alone PDF documents, for instance to print ...

Each lesson in the playlist has it's own branch in this repository. To see the code for that lesson, choose the appropriate branch. E.g. to see the code for lesson 15, checkout the lesson-15 branch.