i_overlay 6.0.0

Boolean Operations for 2D Polygons: Supports intersection, union, difference, xor, and self-intersections for all polygon varieties.
Documentation 
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{
  "fillRule": 1,
  "subjPaths": [[[0, 0], [4, -1], [4, 1]], [[0, 0], [5, 2], [5, -2]], [[0, 0], [6, -3], [6, 3]], [[0, 0], [7, 4], [7, -4]]],
  "clipPaths": [],
  "subject": [[[[[0, 0], [7, 4], [7, -4]], [[6, 3], [0, 0], [5, 2], [5, -2], [0, 0], [6, -3]], [[4, 1], [0, 0], [4, -1]]]]],
  "clip": [[]],
  "union": [[[[[0, 0], [7, 4], [7, -4]], [[6, 3], [0, 0], [5, 2], [5, -2], [0, 0], [6, -3]], [[4, 1], [0, 0], [4, -1]]]]],
  "intersect": [[]],
  "difference": [[[[[0, 0], [7, 4], [7, -4]], [[6, 3], [0, 0], [5, 2], [5, -2], [0, 0], [6, -3]], [[4, 1], [0, 0], [4, -1]]]]],
  "inverseDifference": [[]],
  "xor": [[[[[0, 0], [7, 4], [7, -4]], [[6, 3], [0, 0], [5, 2], [5, -2], [0, 0], [6, -3]], [[4, 1], [0, 0], [4, -1]]]]]
}