From BlenderWiki
If you want to document Blender 2.5 features please edit pages under Doc:2.5/Manual.
If a "2.5" page doesn't exist please copy the text from 2.4x Manual and edit the new page (i.e. you should paste the wikitext from this 2.4x page to this new 2.5x page and then update the latter with 2.5 features)
Manual - Blender 2.44
[edit] IK Solver Constraint
Mode: Pose Mode
Panel: Object Context → Constraints
Hotkey: F7
[edit] Description
The IK Solver constraint is Blender's implementation of inverse kinematics. You add this constraint to a bone and then it, and the bones above it, become part of the inverse kinematic solving algorithm.
[edit] Options
- Rot
- Toggle option to make the IK chain follow the rotation of the target object.
- Use Tip
- Toggle option to use the tip of the bone instead of the base to solve the IK to. This option toggles between the old Blender behaviour (don't use tip) and new behavior (use tip).
An IK constraint on the yellow bone with indicated target. Left: without Use Tip. Right: with Use Tip.
- ChainLen
- The number of bones above this bone that you want to be affected for IK. The default is 0, which means all bones above this bone will be used for IK.
- PosW
- Weight of position control for this target.
- RotW
- Weight of orientation control for this target.
- Tolerance
- foo
- Iterations
- Maximum number of solving iterations.
[edit] Example
![[]](/skins/blender/open.png)
