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Robyn posted an update
Hi all! I have a question about warped plates. My plates always seem to warp the same way – they bow up in the center outwards, so anything put in the middle would roll to the rim. I’ve included some pics although it is hard to get a good angle of the warping.
My process is this:
– hand roll out slab with rolling pin
– move as best I can to drywall board
– compress with rib
– leave to dry a bit
– pinch edges to create rim
– let dry to just before leather hard
– carve my design with needle
– add underglaze to lines
– wipe underglaze away with sponge
– leave on board to dry completely (this is the time it warps)
Usually that’s it, but this time I also wiped the bottom with a sponge to even out the moisture (in theory) before drying completely.
This happens almost every time I make a plate, especially with the larger ones. Any advice?
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I have similar issues with the two different clay bodies I use, so I’m curious what advice others will give. Beyond what you describe I try to dry my plates very slowly on the drywall board, keep them wrapped for as long as I can. I also have socks stuffed with rice that I lay on plates that seems to help a bit.
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