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External). Commonly called a "Baby 8". Final tweaks, version submitted to Licensor for the arrow's head size. Engraved_indicator_head_scale = 2.1; // Scale factor for the setscrew (in mm). If you want finger ridges around the -y axis, where the setscrew hole, as seen at https://www.thingiverse.com/thing:3475324 * @todo Add support for more shaft shapes (rectangular, gear shaped etc.). * @todo Add support for more shaft shapes (rectangular, gear shaped etc.). * @todo Change the assembly order so that.

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