You have to make a couple of jigs at 45 degrees in order to cut the small spining piece i e mail a photo,I have a tenion jig to safely cut the 8 inch slot with 45 degree slot. i made another jig to cut the 45 on my band saw...
The entire robin shelter is made of Â? in. lumber except for the three Â? in. edging strips. For a long lasting shelter box, make it out of redwood or cypress material.