- r -

• radial_ball() : bearing_radial_ball.scad
• rectangle() : basic_2d.scad
• rectangle_c() : basic_2d.scad
• repeat_grid() : repeat.scad
• repeat_radial() : repeat.scad
• resize_p() : linear_algebra.scad
• reverse() : iterable_operate.scad
• rhombus() : basic_2d.scad
• rotate_p() : linear_algebra.scad
• round_d() : list_operate.scad
• round_s() : list_operate.scad