These parts are curved on a single vertical axis.
They look like part of a circle or ellipse when viewed from the side.
A collection of (Double) Curves with a 1-stud diameter when viewed from the side.
Parts that have a curve that goes up 2/3 of a brick in the distance of 2-studs.
Parts that have a curve that goes up the height of one brick in the distance of 3-studs.
Parts that have a curve that goes up the height of one brick in the distance of 4-studs.
Parts that have a curve that goes up the height of one brick in the distance of 8-studs.
Parts that have a curve that goes up the height of one brick in the distance of 1-stud.
Parts that have a curve that goes up the height of 2-bricks in the distance of 2-studs.
Parts with a curve along the bottom edge.
Curved parts with a different radius, or other less common attributes.
