self build help needed

[tegrey]

im looking at building a ply wood tank 84"L by 48"W by 36"D im just wondering what thickness wood do i need so it doesnt have to be braced apart from the corners? and what thickness glass with a 30" viewing window? how many gallons would it be? any help would be so greatful

 

[Nathan43]

You will still need a brace in the front top all the way across as well as the across the middle on top imo