3d printed Pen Ball
thingiverse
Another option for a Pen Ball without the necessary hardware. Collets can be printed in different sizes to accomodate varying diameters of pens. Youtube video of assembly: https://youtu.be/6gunw60aBAc
Download Model from thingiverse
With this file you will be able to print 3d printed Pen Ball 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 3d printed Pen Ball.