CNC Clamper
thingiverse
https://www.thingiverse.com/thing:4441076 presented a CNC Clamper for holding the work piece. A M5 screw is required.
Download Model from thingiverse
With this file you will be able to print CNC Clamper 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 CNC Clamper.