The original Artwork is a PSD (PhotoShop) file for printing as two canvases, each 30” x 30” (at 300 ppi) 45 MB each.  Download LEFT image here and RIGHT image here.   
For advice on printing and hanging these two
Phantogram canvases click here.

Cross eye viewing: hold up an index finger to converge your eyes upon it and then re-focus your eyes to the middle of the three images.