Originally Posted by
Rhonda K
Throw out the 10 inch block first.
8+4 will work with the 12 inch block size. You can also use 6+6 or a 9+3 inch block. Use a block size that works to make a 12 inch block.
You probably didn’t need help with the math part but it is much easier to coordinate different block sizes when the block sizes work with 12.
You could make the 10 inch block into a 12 inch by putting borders around it on 2 or 4 sides.