fidget spinner toy
Description
fidget spinner toy use a ballpoint pen spring with a Ø of 4mm and steel or POM balls with 4mm. the spring should be about 20mm long and the spring wire should be 0.4mm. put everything together and connect it with a cylinder head screw M3 x 18mm and a washer. if necessary, put some silicone grease on the balls. if you like, you can close the hole with the small bolt - a little bit of glue, press it in and grind it flat.
Statistics
Likes
0
Downloads
0