Tripod Drawings

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Some random dimensions:

LEGS - 24 1/2"
LOWER TUBE: 2 1/2" X 34"
UPPER TUBE: 2 1/4" X 32"

Cutaway showing internals.

Carriage bracket.

Elevation adjustment.
I didn't make a detailed drawing because what are the chances you have an old table saw arbor laying around? Basically, this is a threaded disk/bushing riding in a circular frame with a screw passing through it. The bolts are made by grinding a long-shanked hex bolt round, welding a 1/2 ring on the end for the chain to attach to, and adding a spring clip of some sort to hold the thing in place.

I used a template to make cardboard test shrouds. Once I got a good fit I made this pattern. The shroud in made from 1/16" sheet.

Leg bracket pattern and blowup. The angle of the legs is 5 degrees.
There is a post welded to the bracket to attach the shroud. If you simply tap a hole in the bracket for the buttonhead screw, when you tighten it the shroud will distort.