Ah, now I see. Should work fine once you add a top piece, for stability/anti-bowing, like you see in traditional acrylic aquariums. You can also use a piece of acrylic on the inside pieces with the holes to seal those ends.
Check rplastics.com for acrylic bond dissolver and acrylic bonding agents that'll help you get the transformation done right.
Check rplastics.com for acrylic bond dissolver and acrylic bonding agents that'll help you get the transformation done right.