structure _ board 47,6 x 37,8 x 11,8" cover _ board 47,6 x 37,8 x 11,8" yon board 47,6 x 37,8 x 11,8" structure _ board 19,7 x 16 x 5" cover _ board 19,7 x 16 x 5" yon board 19,7 x 16 x 5" conceptual template (wing structure of the P-51H mustang airplane)