AutoLecture.com offers the unique line board used for paintless dent repair and door ding removal. The special board uses 1/4″ straight lines that reflect a curvature pattern across the dent. The more you turn the board outward, the more detail is shows. Veteran PDR techs who use fog, also can use this board to crosscheck their work and get different perspectives.
Even at that, the line board offers an additional tool for any current PDR tech, new or veteran. It’s made from a high gloss plexy glass with detailed beveled edges. this board reflects well even on a white car on a sunny day. Although it is always to best to use a shade board for additional contrast when working on light cars. Here’s a demo video.
[youtube]http://youtube.com/watch?v=xmktPCerAZE[/youtube]