> I keep hearing people refer to a "nibbler" tool A nibbler would work on flexible plastic like the typical black box. Not good with brittle plastics like acrylic and polycarbonate. Haven't tried with a box but worked fine with PVC sheet and laminating film -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist