I needed a slightly larger 3dprinted ball bearing than i already have for a demo.
There is a 0,3mm gap between the parts themselves and the custom support. Just print and remove support.
Printed in ABS w 0,15mm layer height.
Short video (courtesy of Creative Tools):http://youtu.be/nqusY3M5Lso?list=UUGWmj8zbYmQFBZxZvGzR_Bw
Swedish CadCam addict hooked on 3D printing.
3D Printing evangelist and Open Source advocate.
Author of The OpenR/C Project and The OpenRailway Project.