Asteroid font as multi-line strings containing x-, y-coordinates. Based on Ed Logg's handwritten notes (see for instance https://twitter.com/atari/status/1475913195814588418)

asteroids-font-geometries.json

{
  "0": [[[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5],[1,-1.5]]],
  "1": [[[0,-1.5],[0,1.5]]],
  "2": [[[1,-1.5],[-1,-1.5],[-1,0],[1,0],[1,1.5],[-1,1.5]]],
  "3": [[[-1,-1.5],[1,-1.5],[1,1.5],[-1,1.5]],[[-1,0],[1,0]]],
  "4": [[[-1,1.5],[-1,0],[1,0]],[[1,-1.5],[1,1.5]]],
  "5": [[[-1,-1.5],[1,-1.5],[1,0],[-1,0],[-1,1.5],[1,1.5]]],
  "6": [[[-1,0],[1,0],[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5]]],
  "7": [[[-1,1.5],[1,1.5],[1,-1.5]]],
  "8": [[[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5],[1,-1.5]],[[-1,0],[1,0]]],
  "9": [[[1,0],[-1,0],[-1,1.5],[1,1.5],[1,-1.5]]],
  "A": [[[-1,-1.5],[-1,0.5],[0,1.5],[1,0.5],[1,-1.5]],[[-1,-0.3],[1,-0.3]]],
  "B": [[[-1,-1.5],[-1,1.5],[0.5,1.5],[1,1],[1,0.5],[0.5,0],[1,-0.5],[1,-1],[0.5,-1.5],[-1,-1.5]],[[-1,0],[0.5,0]]],
  "C": [[[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5]]],
  "D": [[[-1,-1.5],[-1,1.5],[0,1.5],[1,0.5],[1,-0.5],[0,-1.5],[-1,-1.5]]],
  "E": [[[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5]],[[-1,0],[0.5,0]]],
  "F": [[[-1,-1.5],[-1,1.5],[1,1.5]],[[-1,0],[0.5,0]]],
  "G": [[[0,-0.5],[1,-0.5],[1,-1.5],[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5],[1,0.5]]],
  "H": [[[-1,-1.5],[-1,1.5]],[[-1,0],[1,0]],[[1,-1.5],[1,1.5]]],
  "I": [[[-1,-1.5],[1,-1.5]],[[0,-1.5],[0,1.5]],[[-1,1.5],[1,1.5]]],
  "J": [[[-1,-0.5],[0,-1.5],[1,-1.5],[1,1.5]]],
  "K": [[[-1,-1.5],[-1,1.5]],[[0.8,-1.5],[-1,0],[0.8,1.5]]],
  "L": [[[1,-1.5],[-1,-1.5],[-1,1.5]]],
  "M": [[[-1,-1.5],[-1,1.5],[0,0.5],[1,1.5],[1,-1.5]]],
  "N": [[[-1,-1.5],[-1,1.5],[1,-1.5],[1,1.5]]],
  "O": [[[1,-1.5],[-1,-1.5],[-1,1.5],[1,1.5],[1,-1.5]]],
  "P": [[[-1,-1.5],[-1,1.5],[1,1.5],[1,0],[-1,0],[1,0]]],
  "Q": [[[-1,-1.5],[-1,1.5],[1,1.5],[1,-0.5],[0,-1.5],[-1,-1.5]],[[0,-0.5],[1,-1.5]]],
  "R": [[[-1,-1.5],[-1,1.5],[1,1.5],[1,0],[-1,0],[1,0]],[[-0.5,0],[1,-1.5]]],
  "S": [[[-1,-1.5],[1,-1.5],[1,0],[-1,0],[-1,1.5],[1,1.5]]],
  "T": [[[0,-1.5],[0,1.5]],[[-1,1.5],[1,1.5]]],
  "U": [[[1,1.5],[1,-1.5],[-1,-1.5],[-1,1.5]]],
  "V": [[[-1,1.5],[0,-1.5],[1,1.5]]],
  "W": [[[-1,1.5],[-1,-1.5],[0,-0.5],[1,-1.5],[1,1.5]]],
  "X": [[[-1,-1.5],[1,1.5]],[[-1,1.5],[1,-1.5]]],
  "Y": [[[-1,1.5],[0,0.5],[1,1.5]],[[0,-1.5],[0,0.5]]],
  "Z": [[[1,-1.5],[-1,-1.5],[1,1.5],[-1,1.5]]],
  ":": [[[0,0.5],[0,0.5]],[[0,-0.5],[0,-0.5]]],
  "_": [[[-1,-1.5],[1,-1.5]]]
}