Ellipsoid

These three values establish the 3D location for the center of the primitive.

These three values are used to establish the dimensions of the ellipsoid. Set to 1m, 1m, 1m (by default), provides us with a 2-meter ball.

The sides are the latitudinal edges of the ellipsoid running from top to bottom. By default, the primitive ellipsoid uses 24 sides. By increasing this value, you can increase the number of "cuts" in the shape. This is useful if you plan to deform the ellipsoid, as these segments act as hinges during deformation operations. This also increases the smoothness of the shape by adding extra facets.

The segments are the longitudinal edges of the ellipsoid running from right to left. By default, the primitive uses 12 segments. By increasing this value, you can increase the number of "cuts" in the primitive. This is useful if you plan to deform the shape, as these segments act as hinges during deformation operations. It also increases the smoothness of the shape by adding extra facets.

You can use this option to determine the type of polygons created:

• Face - creates standard, unsmoothed polygon faces.

• Subdivs - creates Subdivision Surface smoothed polygons.

• Catmull-Clark - creates Pixar Catmull-Clark smoothed polygons.

Increasing this value changes the shape from an elongated sphere to a rounded, capped cylinder.

Increasing this value pushes the edges to the corners of the shape, converting it into a flat-sided ellipse.

This X, Y, Z choice allows you to quickly change the orientation of the primitive.

When this button is active a UV map is automatically generated for the geometry created with the tool. This is a very useful option if you plan to UV map the model you are creating from the primitive as it provides a baseline UV map that you can massage later in the modeling process. In many cases this can reduce the amount of work required to map the model.

Adjusts the aspect ratio and related area size of UV polygons to reduce the distortion in the primitives UVs.

Use this option when you create a Ellipsoid that does not have equal radius values. By default, the UVs that are generated for the primitive are distorted and displayed in red and blue in the UV viewport of the UV layout. To view distortion, in the UV viewport, click Options... and then enable Show Distortion.

Enabling the Distortion Compensation option reducing the distortion automatically and produced cleaner UVs. This feature also works in real-time as you edit the attributes of the primitive before committing to the final values.

Provides three types of behavior for corner and side tool handles:

• Resize from Center - Resizes both sides of the primitive at the center, when dragging a corner or side handle.

• Resize - Resizes the shape at the opposite side, when dragging a corner or side handle.

• Move All - Moves the primitive instead of resizing.

Tip:  You can also move the shape by clicking and holding the Ctrl key when in another handle mode.

When enabled, displays the bounding box corner handles.