20 pens
thingiverse
A personalized rendition of http://www.thingiverse.com/thing:40406 was created using the Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=40406. Please follow these guidelines for customization: outer diameter as 4, inner diameter of -15, a1 of 30, and num of 20; pen length is 155mm with show_pens set to yes; pen diameter of 95, bevel of 4, and spacing of 3 for height of 20.
Download Model from thingiverse
With this file you will be able to print 20 pens 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 20 pens.