"sal" wrote:

Can someone tell me how to make accurate 45 % cuts that actually
fit together nicely? I was building an deck and have some
herringbone and mitered joints that were an devil to do , using
number 2 grade spruce. I love making sawdust.


You can't get there from here, the lumber will get you.

Make a perfect fit on day 1, buy day 5 it will be gone.

Lew