Nice technique. You could do them square with a scroll saw. Cut one square, 1/4" on the top face, say 3/4 x 1/2 inside dimension and same thickness as the deck. Then another square, same ID but 1/2" or more on the face, to be the backing under the deck. Gouge this second one for the pin, then cut a third, solid square for the cap.

It's suprizing how accurate a scroll saw is when you CADD the part and duplicate each one from an original drawing. Cut carefully and they are exactly the same, and quick to cut out. Or you can stack cut two or three at a time.

I think I like the round one better for ease of construction especially if you can get a matching OD hole saw bit to cut the deck with.

: I created these recessed deck fittings for my G. I cute the rings out of some
: scrap cherry with a 1 5/8 inch hole saw and a 1 inch drill bit using my
: have drill.

: To assure that the circles are concentric, I drilled half way through the
: cherry with the hole saw. Then, using the hole created by the hole saw's
: center bit, I drilled out the 1 inch smaller circle. Then completed the
: work with the hole saw.

: The blocks were cut on my table saw. I dug the holes out with a gouge.
: Drilling a center hole into the material to the desired depth of the hole
: acts as a good depth guild when using the gouge.

: Two dollars worth of SS were cut to make the little bars. The bars extend
: beyond the cherry rings and will add a little 'grab' to the deck.