Use 'w' to lift up the pen. Use 'b' to begin. Use the down arrow and the up arrow to change the pen size. Use 'q' and 'z' to change the pens separation. Press 'r' to enter a color code (0 - 200). Have fun. Pleas favorite and like!
Thanks to ecker00 for Butterfly Painter One (http://scratch.mit.edu/projects/28754584/)and Butterfly Painter Two (http://scratch.mit.edu/projects/30177324/) projects on which this simpler project is modeled.