Website: thingiverse
Author: WayneWeng
Price: Free Download
File format: .Stl 3d printable
Description:
The union of two text extrusion structures OK and GO.The ring in the middle does not print well, still need modification. Solidworks. Make sure your printer had a good support-printing quality. Video:https://www.facebook.com/video.php?v=10203261985585025 New version: Added a cylinder in the middle with a hole, so that