Contour Enthusiasts Group Archives Forums Modifications Audio fiberglass box project

you dont have to be too worried about it as long as you make it the correct size or larger than what it needs to be. You can always adjust the volume of a box that is too large by adding a solid piece of wood or other material inside the box that is the correct size to bring the internal volume back down to the .75cubic ft.
So just make it look good and you can adjust any imperfections in size from the inside.