This box comes sized to fit the 12x12 mat and will cut the larger image shown. The file can be scaled down to just under 8" to cut the smaller version shown. The larger when finished is approximately 5-1/2" x 3-3/4" x 3-3/4" and the smaller 3-1/2" x 2-1/2" x 2-1/2". The file comes with the box base and the interlocking hearts for each side of the box. You can find a tutorial for this box HERE.
You can find this file HERE!