Yes/No typographical sculpture by Markus Raetz

Where you stand, that's where your point of view going to be, each story have both side of meaning, Yes or NO
I always love Sculpture and illusion, and I found this Yes/No typographical sculpture by Markus Raetz. and would like to try recreate it by the images
http://www.thisiscolossal.com/2011/09/yesno-by-markus-raetz/