About this 3D model
Made on Tiknkercad, this is a 8x8 Franklin Square puzzle. The object is to arrange the tiles in such a way that horizontally and vertically the tiles add up to equal 260, the magic sum. Franklin Squares are most commonly seen 3x3 using #s 1-9, so may may have seen them before but do not recognize this one. Fully printed there is spare space in the trayeven while it holds all 64 tiles, and I am working on editing that so they fit a little bit more snugly. Pictures coming soon.