Look at this

[ConwayBang 10+ year member]

so one piece of MDF would face north' date=' the second piece would face east/west for an "L" port.[/quote']
I no how to make the L i was just wondering how it get 28.25 with 11.25 and 13.25

And im also wonderin if the opening of the port is 2 inches wide it should be 2 inches bewteen the port wall and the box at all places in the port rightt