startshape OCTAGON
rule OCTAGON{
SQUARE{size .41 y -0.20 x -0.201 r 45} SQUARE{size .41 y -0.285 } SQUARE{size .41 y -0.20 x 0.20 r 45} SQUARE{size .41 x 0.285 } SQUARE{size .41 y 0.20 x 0.20 r 45} SQUARE{size .41 y 0.285} SQUARE{size .41 y 0.20 x -0.20 r 45} SQUARE{size .41 x -0.285} SQUARE{size .41}
}