Freehand drawing
Drawing curves (2014) suggests that mathematical relations in programs could be sketched instead of coded.
On Dynamic drafting paper (2015), sketch parameterized diagrams and their constraints.
Cat Carrier (2016) fills hand-drawn shapes with cat videos.
In Exquisite corpse (2017), live-draw a head, torso, and legs.
Buddy (2017) is a platformer game with live hand-drawn characters and terrain.
Animation (2018) of hand-drawn pictures.
Wallpaper groups (2018) is a kaleidoscope for drawings.
In Marble run (2018), a ball rolls down a hand-drawn course.
Chimeras (2018) is an introductory activity involving drawing and programming.
Marked boxes (2020) allow for hand-drawn interfaces.
With Marks Kit (2020), hand-drawn shapes can run programs.
Shape recognizer (2022) recognizes hand-drawn shapes from hand-drawn alphabets.