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3D Modeling Animation & Rigging Flashcards

6 cards from real 3D Modeling practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is a 'rig' in 3D character animation?

    Answer: A system of bones, controls, and constraints that drive character deformation

    A rig is the internal skeleton and control system that animators use to pose and animate a 3D character.

  2. What does IK stand for in character rigging?

    Answer: Inverse Kinematics

    Inverse Kinematics (IK) calculates joint rotations automatically based on the position of an end effector like a hand or foot.

  3. What is the difference between FK (Forward Kinematics) and IK (Inverse Kinematics)?

    Answer: FK rotates parent joints to move children; IK positions the end goal and auto-solves parent joints

    FK poses joints from parent to child (rotate shoulder → elbow → wrist), while IK lets you place the end goal and the solver works backward.

  4. What is skinning (or weight painting) in 3D rigging?

    Answer: Defining how much each bone influences each vertex of a mesh during deformation

    Skinning assigns influence weights from rig bones to mesh vertices, controlling how the mesh deforms when bones move.

  5. What is a keyframe in 3D animation?

    Answer: A recorded value of a property at a specific point in time that the software interpolates between

    A keyframe stores the value of an animated property at a specific time, and the software interpolates values between keyframes.

  6. What is the Graph Editor used for in 3D animation software?

    Answer: Editing animation curves to control the timing and easing of keyframed values

    The Graph Editor displays animation values as curves over time, allowing animators to adjust easing, timing, and interpolation precisely.