Add Yahoo as a preferred source to see more of our stories on Google. messy desktop with sticky notes, stacks of paper, pencils, and half-drunk coffee - Silviajansen/Getty Images Whether you're ...

You'll need a few things to do this - namely the wood for the drawer, the sliding rails for the brackets, and the organizer that sits inside the drawer, but a closer look shows he didn't so much build ...

Sure, 3D printing a pen holder isn't very exciting, but it might just be the most useful projects to come out of your printer ...