bike lamp holder
thingiverse
the center of my handlebar is 35mm thick, just add a part of an old inner tube between the handlebar and the holder and tight it using an m4 screw and bolt. fix the lamp using another m4 screw and bolt.
Download Model from thingiverse
With this file you will be able to print bike lamp holder with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on bike lamp holder.