2 added 84 characters in body
source | link

Python 2, 9084 bytes

R=range(24)
for i in R:print''.join(" \// \/\\"[(i+~j)/4%2+(i+j)/4%2*2+(i&4)]for\\"[i+~j>>2&1^i+j>>1&2^i&4]for j in R*2)

Thanks to Sp3000 for 6 bytes from turning the arithmetic operations into bitwise ones.

Python 2, 90 bytes

R=range(24)
for i in R:print''.join(" \// \/\\"[(i+~j)/4%2+(i+j)/4%2*2+(i&4)]for j in R*2)

Python 2, 84 bytes

R=range(24)
for i in R:print''.join(" \// \/\\"[i+~j>>2&1^i+j>>1&2^i&4]for j in R*2)

Thanks to Sp3000 for 6 bytes from turning the arithmetic operations into bitwise ones.

1
source | link

Python 2, 90 bytes

R=range(24)
for i in R:print''.join(" \// \/\\"[(i+~j)/4%2+(i+j)/4%2*2+(i&4)]for j in R*2)