Click on the green flag and click on one of the buttons for a design you want. Enter inputs, if shown, and watch the design (some designs take too long, so use Turbo Mode, which is 'Shift+Green Flag'). Enjoy!
@abhayjoshi for the project idea in his book ----------------------------------------------------------------- Ver. 1.0.0: Release date, 10 June 2020. ----------------------------------------------------------------- #All#Pen#Drawing#Designs#Recursive#Square