| Category | License | Title | Info | Download |
|---|---|---|---|---|
| OCAL | CC0 Public Domain | ameswindow |  |  |
| OCAL | CC0 Public Domain | optical illusion 2 |  | |
| OCAL | CC0 Public Domain | birdkoala |  | |
| OCAL | CC0 Public Domain | illusion cube |  | |
| OCAL | CC0 Public Domain | triziggle |  | |
| OCAL | CC0 Public Domain | 2 tunnels curves |  | |
| OCAL | CC0 Public Domain | falseperspective |  | |
| OCAL | CC0 Public Domain | impossible shape |  | |
| OCAL | CC0 Public Domain | trident notes |  | |
| OCAL | CC0 Public Domain | trident notes warped 1 |  | |
| OCAL | CC0 Public Domain | trident notes warped 2 minimal |  | |
| OCAL | CC0 Public Domain | optical illusion pattern |  | |
| OCAL | CC0 Public Domain | trompelloeil |  | |
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