; Creates a tatami mat. ; nell tatami.nll PIC 5 | nellsvg 70 70 mm 0.2 1 > tatami.svg a = -pi/2; l = 5; n = 6; i = 0; T1 : L(2*l) T(a) L(l) T(a) L(2*l) T(a) L(l) T(a) M(2*l); T2 : S(T1,i) M(l) T(a) S(T1,i) M(l) T(a) S(T1,i) M(l) T(a) S(T1,i) M(l) T(a); T3 : T(-pi/4) M(-l*sqrt(2)) T(pi/4) A(i,i+1) S(T2,1); PIC : P(35,35) T(-pi/4) M(-l/sqrt(2)) T(pi/4) S(T3,n);