Gear.scad

module gear(num_teeth)
{
    num_slices = 20;
    //rotate_angle = ((360 / num_teeth) / 2);
    rotate_angle = 0;
    union()
    {
        for (zScale = [-1, 1])
        {
            scale([1, 1, zScale])
            linear_extrude(height=5, center=false, convexity=10, twist=rotate_angle, slices=(num_slices / 2))
            {
                import (file = str("Gear_", num_teeth, ".dxf"), layer = "", origin = 0);
            }
        }
    }
}