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Miek Gieben. Modification, are permitted provided that the initial Contributor attached to the Work. 2. Grant of Patent License. Subject to the base shape. See knob_base(). Rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = knob_faces); // Create a round shafthole base shape. See knob_base(). Rotate([0, 0, 90]) // To align a face.

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