3/4 MDF is .75 inch so 13.25" x 13.25" x 13.25
You can do it that way or take the easy way and use a calculator that will factor in the wood thickness for you like the ones on this site.
http://www.bcae1.com/spboxnew2.htm
The site is actually very informative....
You can do it that way or take the easy way and use a calculator that will factor in the wood thickness for you like the ones on this site.
http://www.bcae1.com/spboxnew2.htm
The site is actually very informative....
