Inertia live preview with blue target path and orange spring result
Live trails hero Mute loop

Blue target, orange result.

Blender add-on

Give it weight.

Lag, bounce, follow-through on blocked location keys.

£5.99

Block it. Then add weight.

Blue is the target. Orange is the spring. Watch it settle.

Blocked location keys before Inertia
Block keys Mute loop

A few location keys. Mechanical on purpose.

Creating an Inertia path from animation
Path create Mute loop

Path from the keys. Cubes you can pull.

Tweaking Inertia path cubes in the viewport
Reshape tweak Mute loop

Move, rotate, scale the path before the spring.

Changing Inertia lag and bounce with live trails
Spring settings Mute loop

Lag, bounce, mass. Trails update live.

Object motion. Then bake.

N-panel, Inertia tab. Bakes standard keyframes. Restore Original if you want the block back.

Host
Blender 4.2+
Use
Weight, lag, follow-through
License
GPL-3.0, commercial
Updates
Included for owners

Questions

Live Update writes location as you tune. Turn it off to preview trails, then Apply. Restore Original before the first Apply, or Undo.
Object-level only for now. Bone support is a planned free update.
4.2 and newer. GPL-3.0-or-later.
An object with at least two location keys. Sparse blocking works well.

Let it settle.

Inertia
Blender · motion
£5.99