Blender Blender Rigging & Armatures 3

Question 1

What does the 'IK Solver' constraint in Blender do?

Accepted Answer

Calculates inverse kinematics so a chain of bones bends toward a target object

Answer

The IK Solver constraint defines the end of an IK chain, making parent bones automatically calculate their rotations to point the tip at a target.

Question 2

In Blender rigging, what is the 'Pole Target' in an IK setup used for?

Accepted Answer

A secondary target that controls which direction the middle joint of an IK chain bends toward

Answer

A Pole Target gives the IK chain's elbow or knee joint a reference direction to bend toward, preventing flipping and giving animators control.

Question 3

What is 'Bendy Bones' (B-Bones) in Blender?

Accepted Answer

Bones that can display as segments with curve handles for smooth arc deformations

Answer

Bendy Bones (B-Bones) display as curved segments and use in-handle and out-handle controls to create smooth, arc-like deformations with fewer bones.

Question 4

What is the purpose of the 'Bone Groups' feature in Blender?

Accepted Answer

Assigning bones into color-coded groups for visual organization in Pose Mode

Answer

Bone Groups let riggers color-code and organize bones visually in the viewport, making complex rigs easier to navigate in Pose Mode.

Question 5

What does 'Inherit Rotation' toggled off on a bone in Blender mean?

Accepted Answer

The bone does not inherit rotation from its parent bone, keeping a fixed orientation in world space

Answer

When Inherit Rotation is disabled, the bone maintains its world-space orientation regardless of how its parent bone rotates.

Blender Practice Test