If you’ve used PVC as a building material in your projects you may have run into trouble finding a way to make three pipes joint at right angles to each other (like the corner of a box outline).

I need to replace the end cap on a PVC pipe. The current cap is just a standard PVC cap that I can find at Home Depot for 50 cents. However, none of them have 1/4" threaded holes. I am not ...