.. _bpy.types.MaintainVolumeConstraint:

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Maintain Volume Constraint
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The *Maintain Volume* constraint limits the volume of a mesh or
a bone to a given ratio of its original volume.


Options
=======

.. figure:: /images/rigging_constraints_transform_maintain-volume_panel.png

   Maintain Volume Constraint.

Free
   The free-scaling axis of the object.

   X, Y, Z
Volume
   The bone's rest volume.
Space
   This constraint allows you to choose in which space to evaluate its owner's transform properties.

.. seealso::

   `Harkyman on the development of the Maintain Volume constraint
   <http://www.harkyman.com/2010/03/16/maintaining-bone-volume-a-new-constraint/>`__.

.. vimeo:: 171275315