1/4 Drill guide
thingiverse
Designed to use with a 12" long 1/4 drill for drilling pilot hole through walls. This helps make sure your holes are perfectly lined up on both sides of the wall. Drill the pilot hole and then use a hole size for the pipe or conduit you are running.
Download Model from thingiverse
With this file you will be able to print 1/4 Drill guide 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 1/4 Drill guide.