Draw a cone.

Draw a cylinder.

Drive closed planar curves in a straight line.

Draw a parabolic surface or capped solid.

Create a surface with a circular profile around a curve with flat caps.

Create a surface with a circular profile around a curve with round caps.

Draw a pyramid.

Draw a solid sphere by two points on diameter.

Draw a torus (donut shape).

Draw a cone whose apex is truncated by a plane.

Draw a pyramid whose apex is truncated by a plane.

Draw a closed cylinder with a concentric cylindrical hole.

Split joined polysurface edges.

Rhinoceros 6 © 2010-2019 Robert McNeel & Associates. 16-May-2019