My Customized Involute gears (spur and helix)

thingiverse

Customized version of http://www.thingiverse.com/thing:1427458 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1427458 Instructions Using the following options: hole_shape = circle generate_handle = false screw_support = 1.5 mm enable_inner_section = true thickness = 4 mm inner_section = 1.5 mm spacers = 4 helix_angle = 0 degrees angular_spacing = 75 degrees mod = 1 clearance = 0.5 mm handle_height = 20 mm backlash = 0.1 mm screw_head = 2.5 mm screw_hole_radius = 1 mm inner_thickness = 2 mm double_helix = true minor_hole_radius = 3 mm hole_height = 2 mm handle_radius = 1.5 mm hole = 2.5 mm spacer_style = spiral radial_spacing = 75 degrees spacing_radial_shift = 0 skip_after = false generate_screw_hole = false auto_hole_height = true details = 0.25 mm teeth = 50 reinforce_thickness = 3 mm pressure_angle = 20 degrees reinforce = 4