Hand Tools Archive

Subject:
Order of Operations

CJ in MPLS
I was helping my 12 year old with the old order of operations algebra problems (PEMDAS anyone?) and in the back of my mind the fact that I didn't explicitly know the order of operations for fitting tenons to mortises was kind of silly.

I've been making a small step stool that was written about in FWW by Mario Rodriquez. This stool has legs with tenons that are received in angled mortises in the top, three for each leg. The mortises were cut first. The legs were cut by marking from the actual mortises. The tenon faces were established using a shoulder plane.

The first attempt seat the tenons revealed that they were a bit too big. Not unreasonable as I am a bit phobic about removing too much, which as it turns out is a touch ironic. After a lot of faffing around I've got one side to well enough and the other is going to be OK, but will need a bit of cosmetic surgery.

So, what is your order of operations to ensure that the tenons that don't fit, do fit and fit neatly?

Thoughts?

CJ

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