Replacement knobs for Camera Tripod

My friend borrowed my camera tripod and two knobs were missing. I figured out what size was needed. One 1/4" x 20 and one #10 x 32.

The parts are made of solid PLA. They have been threaded using two metal screw dies.

http://www.harborfreight.com/60-piece-sae-metric-tap-and-die-set-35407.html

Knurling was added using vise grip pliers.