Screw Keyhole
thingiverse
This is a drop in keyhole. Make a hole in the base of your design 14 x 26 x 5mm "Group" the hole into the base (thats what I would do in Tinkercad) Then import the keyhole.STL and place in the hole. Its as easy as that.
Download Model from thingiverse
With this file you will be able to print Screw Keyhole 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 Screw Keyhole.