2009

is not at 90 degrees to the twist axis, non-intuitive cone rotations can
result. The rotation of the twist axis for the attached object is limited to
the volume of this cone. You can view the cone on its own by ensuring
that only the Show Cone option in the Properties rollout > Display group
is on.
4 You can also try changing the Plane > Min and Max settings. These are
limited between [-90, 0] and [0,90] respectively. Taking the Min and Max
limits and sweeping those angles around the plane normal creates cones.
The rotation of the attached object is then limited to within the region
between the plane and these cones.
You can also rotate the plane independent of the twist axis. To display
the plane limits, turn on Display rollout Show Plane Limits.
5 By combining Cone and Plane limits you generate valid rotational regions
for the child object relative to the parent object. This is the region
represented by the Show Volume option.
Constraints | 3953