Standard Primitive Tools
Minimum requirement: Qubicle Basic Edition
The Standard Primitive Tools all work in the same way to create a box, sphere, pyramid, cone or cylinder. They allow for interactive creation inside a matrix. To create primitives as separate matrices, see this article.
Start by drawing the base of the shape with Click + Drag.
Pull up the height of the shape.
Further adjust the shape with the transform handles:
Accept the shape with Enter. The shape is now colored pink. This means that the shape is detached and can be moved freely without interfering with overlapping voxels. Hitting Enter again will finalize the operation.