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November 29, 2018 at 1:17 PM
#74084
Participant
I think mine is 36X24″ but you can definitely get away with a smaller mat if you want. This one is 18X24 and should work since your blocks aren’t that big. https://www.joann.com/omnigrid-mat-18in-x-24in-with-grid/16349383.html#start=1