SummaryNice simple hinge for the acrylic door of my Lulzbot Mini enclosure. Uses two M3 machine screws on a 30mm x 18mm centers. Hinge uses Stress relieving washers (http://www.thingiverse.com/thing:755320) on the back side to provide a forgiving mount to the 3mm Acrylic door and frame. Hinge is designed to used either a Long M3 machine screw or a short length of 3mm filament as the hinge pin. I've updated this thing, to make the hinge a little more robust (http://www.thingiverse.com/thing:772303) if you're interested or If you are interested in an entire add-on kit to enclose your Lulzbot Mini, Ive put together a kit that includes these hinges and lasercut acrylic panels. You can check it out at: http://drazzticaction.com/products-page-2/3dprinters/ or http://www.ebay.com/itm/Add-on-Enclosure-for-Lulzbot-Mini-3D-Printer-/291446076488?pt=LH_DefaultDomain_0&hash=item43db8a3448InstructionsPrinted with 10 percent fill, as the stress on this part should be low. Depending on how clean the print comes off the printer, you may need to clean it up a little with a file or razor blade to have a smooth functioning hinge.