I've put together an EQ rotary cutting chart for the block if you want to make it without the bias edges. The block is 12" finished - 12 1/2" unfinished. The only piece it doesn't show is the large corner squares. EQ leaves out any pieces it doesn't think can be rotary cut. You'll need to cut two 4 3/4" squares of each fabric to make the corners. The rotary chart does include the triangles for those corners.
Here it is: