grabber
thingiverse
Push/pull the middle shaft to open/close the arms. If stuck after printing use a small flat-headed screwdriver push and loosen the gears.
Download Model from thingiverse
With this file you will be able to print grabber 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 grabber.