Speed reduction focuser knob for telescope
Description
Reduction speed focuser knob for telescope. There is a moveable holder to fix the sun gear to the focuser before using the planetary gear. If need to use the original knob, need to move the holder to free sun gear from turning. Unscrew the original knob by turning. Then add glue to the focuser's screw and a M3 bolt nut. Screw and stick them to the main planetary gear. Changes from the original version by @tmackay 1. provide a choice of using bolt nut (use_bolt=1) 2. extra shaft in square (extra_cube_h > 0) 3. choose to generate different part one by one (generate = 0/1/2/3) 0: all; 1: losen sun gear; 2: planet gears+sun; 3: cap New added: add a holder to fix the loosen sun gear to the telescope focuser so that the original focuser knob can still be used. It's no need to stick the loosen sun gear to the telescope.
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