I took the pipe, marked every 1/2 inch, and sent it through my miter saw. In order to get the best cut and not have it ping and then shoot out flying across the room, it is best to go at a slow ...

If your backpack's external frame died years ago or if you found a cheap ALICE pack on Craigslist without a frame, you can easily make one with around $3 worth of PVC piping and fittings. The only ...