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Your content is now stored within your company organization.
You can still manage your content as before and you can now invite others to manage your content too.
Checkout the help docs for more information.
The plate actually measures 10.0625 x 10.0625 (10 + 1/16). Mat is 1/16th thick. Dots are 1/16th high x 3/16ths diameter. There are 32 rows of 32 dots. The corners of the mat are not rounded as the real ones are.