TomW wrote:Crabman and Bill,
Really, thanks for your help and encouragment.
Yes, i can see that the 4mm MDF will deform. IÃƒâ€šÃ‚Â´ve made a rocker table 60x180cm that has 18mm of concave over a 34cm width and a 25mm rocker over 135cm length. This is a lot of compound curve on the MDF, so anything thicker is not going to take that shape, i have tried 10mm but its too stiff.
IÃƒâ€šÃ‚Â´ll try to source Conti board, but iÃƒâ€šÃ‚Â´m in Sweden and some materials are hard to get, others easy...
I may have to go back to making a glassed foam rocker form that i put into a full bag. What i did before was mill a 40x 140 block of foam, putting a convex form on block thick enough to take it and have some thickness left over. Then i glassed it all around in a full bag and pressed it down on a simple curved longitudinal rocker with weights. Sanded and finished the rocker form to give it a good surface.
Then it was easy to put my whole board onto the rocker form and the whole kit into a full bag...
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