Signs and Symbols Section
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impossible 2
6 images
Blivet effect
464x601
Blivet effect opaque
470x600
Impossible trefoil knot Isometric
410x599
Penrose hexagon
368x330
Penrose hexagon label
368x440
Penrose impossible staircase
372x283
Penrose impossible staircase label
390x370
Penrose octagon
400x400
Penrose octagon label
400x500
Penrose pentagon
416x414
Penrose pentagon label
412x500
Penrose pentagram
440x418
Penrose pentagram label
440x510
Penrose rectangle Solomons knot
600x600
Penrose rectangle Solomons knot label
600x710
Penrose square
422x422
Penrose square label
422x530
Penrose triangle bright
619x539
Penrose triangle bright label
614x636
Penrose triangle grayscale
355x357
Penrose triangle grayscale label
358x411
Penrose triangle outline
378x332
Penrose triangle outline label
378x430
Penrose triangle shaded
431x409
Penrose triangle shaded label
431x530
Principia Discordia
637x607
impossible box
303x312
impossible box 2
284x274
impossible box 3
278x356
impossible cube
328x268
impossible gears
314x316
tribar illusion color
507x471
tribar illusion color label
508x572
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