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JackieApril 8, 2020 at 12:33 PM
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Using Python to automate IK creation in Blender

auto_ik This article explains how to write a Python script in Blender that creates multiple IK constraints for a selected armature. This script will do the following: Ensure that the selected object is an armature. Find IK bones indicated with '.ik' at the end of their names. Create and label target and pole bones for each IK bone. Apply an IK constraint and set the target and pole. Auto-IK script caveats: The pole angle and chain length must be set manually. The script assumes the armature is facing along the -X axis (left) in Edit Mode . Prerequisite knowledge: creating armatures with IK constraints, Python programming, and using the Blender console. 1) Ensure that the selected object is an armature This article uses the bpy module to access and modify the properties of Blender objects. Import the module at the top of the script: import bpy All modules and sub-modules of bpy can be viewed by hovering the cursor over GUI elements in...

Inverse Kinematics For Beginners

ik_blender In Blender, an armature is an object used to deform the geometry of a 3D model in controlled sections without directly modifying its geometry. Posing is the action of modifying the rotation or location of the parts of an armature. An armature is formed from a hierarchy of connected bones . A bone is a straight segment with a spherical joint at each end. Each joint has a separate role: The head is the origin of the bone's rotation. The tail moves along the circumference of the bone's rotation. The bone as a whole serves as the radius of its rotation. A chain of bones is composed of alternating head and tail connections. This order results in a sequence of parent and child connections: A parent bone is the origin of rotation for all child bones connected to its tail. A child bone cannot rotate its parent bone. The first parent bone in an armature is the root bone . Forward and Inverse Kinematics Blender can use two m...

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