20" polycarbonate hemisphere jig

SummaryThis little jig lets you create aligned and centered holes in 1/2" polycarbonate hemispheres for 20x4mm pins to keep the two halves together. This is for people making a BB-8 using the CQP hemis. Guide here: http://bb8builders.club/forum/showthread.php?754-David-Scott-s-quot-I-can-t-make-the-club-jig-for-my-hemispheres-quot-solution&p=5586#post5586