3 ms·
It's meant to be 3D printed. One you have that 3D printed cuboid in your possession, you point a flashlight towards one face, have the opposite face face a wh
by GuiA 14y ago
It's meant to be 3D printed.
One you have that 3D printed cuboid in your possession, you point a flashlight towards one face, have the opposite face face a white surface, and scan the resulting shadow with a smartphone– and boom! It's quite insane.
- samstave 14y agoThe questions is, can any QR code be made to work or are you pretty limited in the info represented by the QR code? I don't understand how QR codes work well enough to know the answer.
- biot 14y agoYou can do this for any three sets of 1-bit images. There's nothing special except for ensuring that you have thin connecting pieces so that any "island" where material would otherwise be surrounded by empty space remains connected to other pieces.