NewAxes returns a pointer to a new Axes object.

NewGrid creates and returns a pointer to a new grid helper with the specified size and step.

NewNormals creates a normals helper for the specified IGraphic, with the specified size, color, and lineWidth.

Axes is a visual representation of the three axes.

Grid is a visual representation of a grid.

Normals is the visual representation of the normals of a target object.