My 60 cube stand, tank is 24x24, stand is 36x36. Gives me a little elbow room under the tank, and a place to put my beverage while I'm ogling
Mosaic tiling was done by my daughter.
No 2x4's, made from 4x 3x3x36" poplar corners, rabited to accept 3/4" cabinet grade poplar ply. Glued together, no screws. Top is supported across the mid point with a laminated beam made of 3x 3" wide 3/4" ply strips, set on uprights that go all the way to the floor. It could double as a bench for an elephant.
Shot shortly after completion:
Construction detail:
Initial construction
Shot just after filling the tank
A recent shot of the interior: