Every gear has a hole, and nail/axle (so 5 per planetary gear). I’ve bookmarked a few 12v 1rpm motors on amazon, but not committing to anything until I know what the pc is going to end up looking like. At this point I think the design is too flat, one dimensional. Looking at @AndyC clock and how the gears are stacked, that is the direction I want to take this, even if it results in giving up the gears actually rotating.
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