Jumbo Pen

thingiverse

Write big essays with the amazing Jumbo Pen! Perfect for long assignments, the jumbo pen can write as big or as small as you want. This a completely functional classic pen but triple the size.  Kids of all ages love this toy and it's the perfect gag gift for anyone at the office.  What you need: The ink tube of a Bic ballpoint pen. Any filament color you want.     Instructions:  Once you finish the print, stick the ink tube inside the pen's body and boom! You got yourself a jumbo pen.