Centering Mortises For Angled Work
Furnished content.
(from Popularwoodworking.com)


When drilling mortises for chair arms, such as those in a ladderback chair, it can be difficult to accurately center your bit. But wrap a string around the rear post at the mortise location and then around the front …Source

Read more here

edit: Woodworking/auto___centering_mortises_for_angled_work.wikieditish...