
I used one of these to glue the plywood to attach the fabric. It offers excellent flexibility while maintaining a reasonably rigid edge. Easily erased. If you use it in harsh environments don't expect it to last, but for the price and 3/pack I don't think you can go wrong.

KIMO 12V 3β Cordless Polisher Kit - Car Buffer, 2.0Ah Battery & Fast Charger, Variable Speed And 4 Pads For Detailing/Scratch Repair
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