Build a table top or wall mount drill bit rack Here’s the Cadillac of drill bit racks. It comes with a sizing index to check round work pieces and the bits themselves for drilling the exact corresponding hole.
It's almost as fast as a saw and fits into tight spots where saws won't. To give the string a starting point, cut a shallow notch with a file or hacksaw blade. Then simply pull the string back and forth to slice through PVC or ABS pipe.