Half Inch Pass-thru Flange
thingiverse
Couldn't find this part in a hardware store so I made it myself! It is designed to let a standard half inch pipe pass through the middle. Has been tested with Makerbot in draft mode, may need adjustments for good fit depending on printer settings.
Download Model from thingiverse
With this file you will be able to print Half Inch Pass-thru Flange 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 Half Inch Pass-thru Flange.