i got the measure in cubic inches because I divided the shape into a triangle and a square, those areas are easy to find and you multiply by the height to get the volume
I used liquid nail when I built my box to seal the seams
- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family