Screw slot
thingiverse
To make your model wall-mountable, insert a screw into the desired wall location. Then, simply place the model onto this screw for a secure hold.
Download Model from thingiverse
With this file you will be able to print Screw slot 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 slot.