| | Measuring with an Optical Illusion: The Moiré Caliper (mojoptix.com) |
| 3 points by Julldozer on March 9, 2018 | past |
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| | 3D printed sundial whose precise holes cast a shadow displaying the current time (mojoptix.com) |
| 839 points by edward on Feb 13, 2016 | past | 92 comments |
|
| | Digital Sundial (mojoptix.com) |
| 2 points by pavel_lishin on Feb 9, 2016 | past |
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