2023-03-29 (W) GrinderCompass First revision

I added top and bottom discs to construct a case. I sized the holes for M3 hardware and bought a selection of nylon bolts. The center has a 6.35 mm hole, so I can insert a 1/4" bolt after I reshape it. The moving compass will have a sharp end pointing down, and it will rest in a concave bolt set into the floor of the case. The top of the moving portion will have another bowl-shaped end, and a stabilizing needle from above should hold it vertically with minimal friction.

I had enough space to add extra parts for a spare pendulum. The old design had hex holes so I could add weight as needed, but I replaced them with 3-millimeter holes to fasten them together with non-ferrous bolts. If I want additional weight, I can use brass hardware instead of nylon or include nuts and washers.
Spinner, pendulums, spare pendulum set, base, and cover

The rest of the posts for this project have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8

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