Description

I used 17mm ball. You can buy or print the ball there are many different 17 mm ball online. https://www.thingiverse.com/thing:3548021 https://www.thingiverse.com/thing:6522482 I have bought it see search words here below. "17mm/25.4mm Ball Head to M6 M8 M10 Screw Bracket Connector Motorcycle Sport Camera Mount Connector Motorcycle for GoPro Camera" "Magnetic Phone Mount Adapter for Car, 360° Rotation Ball Head, Compatible with 17mm/0.67 inch Car Phone Holder。" Category: Other