First thing I need to do to build the roof is get VERY accurate measurements. Secondly, plan for an overhang. This will allow some room for error by trimming the top where it attaches to the center.
Using masking tape, not only helps the wood from splintering when it is being cut, but it also makes if very easy to see where the edge is. I set the skill saw to cut at a 12.5 degree angle so that any gaps, would be dealt with from the inside. I also have to make an additional cut where the two pieces meet.
Here it is attached. Well... so much for trying to be "perfect". Look at that gap! I could fit a small cow through that!
I am going to have to tape it up, and use Bondo to fill the gap. I figured if it works for cars, it should be able to work on a TARDIS.
It doesn't take long before the Bondo is set, and I can finish the rest of the roof. I add the spacer that fits between the sign and the roof. In my plans, this is 1 3/16" height x 1 3/4" deep x however wide between the posts. I left a 1/16" gap on either side, so that the roof "should" fit without it being too tight. I also add the end caps.
I made the lamp "plug" and stuck it in the top to be trimmed by a flush trim router.
Here the top is ready to be sanded, sand blasted, and finished.
I'm a little bit in a hurry because I'm getting ready to be interviewed by KJRH Channel 2 Tulsa, and I still have to get it painted.