Website: thingiverse
Author: Almosawi
Price: Free Download
File format: .Stl 3d printable
Description:
I dont know what they call it, but you can make a great 3d effect if you print two of them and rotate in different directions.I saw a youtube video and decided to create a small similar 3d printable model, I printed it on fast(200 micron) and normal (100 micron) resolution both work if first layer survive.you can check