nicoptere
pv340
squircle
pv1443
sketch
pv517
tileset
pv2622
2.3 lines: non-intersecting sm..
pv2207
2.2 lines: non-intersecting li..
pv2071
2.1 lines: distance function
pv2305
2.1 lines: invert distance fun..
pv2633
2.0 lines: join the dots
pv363
utils : slope
pv418
1.7 (brute force) poisson disk..
pv318
1.6 hexagonal distribution
pv397
1.5 triangular distribution