I have a c**p saw but for accurate work I use my Langdon. But doing tight miters
requires special care. That brings out the miter jack --

https://www.flickr.com/photos/77280442@N.../35485863406/in/dateposted-public/

and the big chisel —

https://www.flickr.com/photos/77280442@N.../35394235221/in/dateposted-public/

Look closely and despite it being Walnut you can the pencil layout line —

https://www.flickr.com/photos/77280442@N.../35357660022/in/dateposted-public/

Its just small bites, about 1/16 at a time till the whole surface is
transversed.


Bill