Circle
A circle of any positive radius around any of the three axes.
Sphere
A sphere of any positive radius. Dome mode will allow only a given hemisphere to be displayed.
Line
A line between two points.
Cuboid
A hollow cuboid of any size. Opposing walls can be turned on or off.
Polygon
A polygon with 3 or more sides of any 'radius' around any of the three axes.
Ellipse
An ellipse of any two positive semi-axes around any of the three axes.
Ellipsoid
An ellipsoid of any three positive semi-axes. Dome mode will allow only a given hemisphere to be displayed.
Torus
A torus with any positive outer radius (the radius of the ring its based on) and any positive smaller or equal inner radius (the radius of the tube around the ring) around any of the three axes.
Catenary
A catenary (aka a chain or rope line) between two points with a arc length (rope length) of the distance between these points plus a given additional distance.
Parabola
A parabola with a given half-width and height, facing a given direction and rotated by a given angle.
Paraboloid
A paraboloid towards any of the three axes with two given half-width and a given height.
Cone
A cone towards any of the three axes with a given radius and height.
Grid
A grid of blocks with a given step size and number of steps in each of the three axes.
GUI
A set of GUIs allows you to choose a shape, set the base position, and tweak the shape and how it is rendered to your liking.