Pen
thingiverse
The customized version of this design can be found at http://www.thingiverse.com/apps/customizer/run?thing_id=131840, where you can personalize it with options such as object (set to 1), pen thickness (7), inner length (140), tip diameter (2.4), helper tabs (1) and inscription "Mitsi's pen" with an inner diameter of 3.4.
Download Model from thingiverse
With this file you will be able to print Pen 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 Pen.