Did it look like that in the pictures? Anyways, if you want to keep it really simple, you could just take off the tape, and secure the pieces of plexiglass together with some nuts and bolts and maybe some silicone. Then if it will fit it would be a good idea to move the fan to the inside area of the case, on the side it might fit. I dont think youre over your head, if you just take your time and plan it out, the case shouldnt be too hard to make work. If thats all you have left to do, feel lucky.