PVC cap
thingiverse
I made mine to fit a three-quarter in pipe. I made two files: one hollow cylinder that snugly fits in the pipe, and a outside top piece that can be added in your slicer.
Download Model from thingiverse
With this file you will be able to print PVC cap 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 PVC cap .