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Cracks in Gesso?
Help! What happened.? Several months ago, I started this, and put it away, I only got as far as starting to sketch it, I pulled it out to start this morning and noticed there is one spot on the canvas about 2" square where the gesso looks like it wants to "crack" I have held it to the light and it hasn't actually cracked yet but has lots of fine lines in it that look like they want to crack. I TRIED to take a picture of it, but it was hard, I will post it and depending on the angle of the monitor you may be able to see.
Any ideas what this is?, I have seen this one other time on another linen canvas I painted a landscape on years ago, I just painted right over it and ten years later nothing has happened to it, but if you look you can see that "pattern" under the paint.
What can I do to fix this before I start painting?
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