ChartPack chart tape is the weapon of choice. Here's a direct link to an on-line source: [link=http://store.yahoo.com/cinemasupplies/blacforchart.html]1/32" Chart Tape[/link]
IS the ChartPak tape plastic, or crepe paper? The plastic tape does not form tight curves, but according to Dave Platt on his Hunter building Black Arts DVD, the crepe paper tape can follow tight curves.