Blender Skeleton (Armature) Mirroring

Software:
Blender 2.8

To mirror a skeleton (Armature) in Blender:

  1. Create bones for one side of the rig and name them with “.L” for Left or “.R” for right.
  2. Select all the bones on that side.
  3. In Armature Edit Mode choose:
    Armature > Symmetrize

Blender will create mirrored copies of all the bones with respect to the Armature origin and flip their names to names ending with the opposite side.

  • When editing properly symmetrized bones,
    The X-Axis Mirror tool option will simultaneously update both sides of the Armature to maintain symmetry.

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Basic animation constraints in Maya

Software:
Maya 2018

To setup basic animation constraints in Maya:

  1. Select one or more target objects, and lastly the object to be constrained.
  2. In the Rigging Tab/Toolbar click the wanted constraint.
  3. Optional:
    In the channel box, highlight the constraint and set target objects weights.

Setting up a Point Constraint:

Maya_Point_Constraint

Setting up an Orientation Constraint:

Maya_Orientation_Constraint.gif

Setting up an Aim Constraint:

Maya_Aim_Constraint.gif

Animating visibility in Blender

Software:
Blender 2.78

When setting key-frames to an object’s Visibility or “restrict view-port visibility” property,
Its easy to forget that it doesn’t affect the visibility in rendering but only in the view-port display.
This gave me some really nasty glitches in production when rendered animation turned out different than what I had expected.

Simple solution to that is:
Whenever an object’s visibility needs to be animated,
First thing to do is to set a Driver for the “restrict rendering” property, that would be controlled by the “restrict view-port visibility” property.
That way the animation done on view-port visibility will automatically also control rendering visibility.
What’s needed is a simple single property driver which is very simple to setup and the huge headaches can be avoided that way.

There are plenty of video tutorials about setting up drivers in Blender:
https://www.youtube.com/results?search_query=blender+2.7+drivers

Renderability_Controlled_by_Visibility