Polycarb Duct Polycarb Duct from Travis Pendergrass Polycarb Duct This is a cooling duct I formed and machined from static-dissipative polycarbonate. gLike Polycarb Duct This is a cooling duct I formed and machined from static-dissipative polycarbonate. Model Making Share R 7 n Available Freelance, Full-time, Moonlighting Travis Pendergrass Model Maker, Designer, Machinist Minneapolis, MN Follow Contact