So I found this accidental formula here with the pen. Some of the shapes are satisfying 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20 - Semicircle 7, 8, 11, 13, 14, 16, 17, 19, 21, 22, 23, 25, 26, 29, 31, 32, 34, 37, 38, 41, 43, 49, 53, 94, 97, 98, 101, 103, 106, 107, 109, 113, 119 - Circle 35, 39, 42, 44, 46, 47, 48, 57, 58, 59, 61, 62, 64, 67, 68, 69, 79, 89, 104, 114, 115 - Saw-ish Circle 50, 54, 63, 81, 84 - Saw-ish Shape 30 - Incomplete Dodecagon 24 - Pentadecagon 28 - Tridecagon 33 - Hendecagon 36 - Incomplete Decagon 40 - Nonagon 45 - Incomplete Octagon 60 - Incomplete Hexagon 70, 75 - Saw-ish Pentagon 72 - Pentagon 80 - Double Pentagon 120 - Triangle 51, 52, 55, 56, 65, 66, 76, 82, 83, 85, 86, 87, 88, 95, 96, 99, 100, 102, 105, 108, 112, 117 - S Tier Shape 71, 73, 74, 78, 92, 97, 101, 106, 110, 111, 116, 118 - S Tier Drawing Process 77, 83, 86, 87, 89, 91, 93, 94, 103, 109, 119 - SATISFYING Drawing Process 27, 90 - Undefined