This Blender Tool Lets You Animate Physics In Just Few Clicks

If you're looking for a way to streamline the process of manually keyframing physics, NodeMonkey's Inertia is worth a look. It's a Geometry Nodes-powered add-on for Blender 5.1 that handles the math for you and creates accurate trajectories, rotations, and gravity-based motion.

It comes with three built-in systems: Projectile Inertia with auto-aim for consistently hitting targets, Orbital Inertia for celestial mechanics, and Curve Inertia, which keeps objects locked to paths with realistic gravity, useful for things like jet fighters or roller coasters.

The add-on generates a real-time predictive curve directly in your viewport, so you can see the exact trajectory of your arrows or the orbital paths of your planets drawn out as a live line before you hit Play. You don't need to know Geometry Nodes to use Inertia, simply adjust sliders for Gravity, Friction, and Speed without opening the editor.

With your purchase, you get documentation and demo scenes to help you get started easily. Inertia is a paid tool, but a lite version is available.

Get it here and add more Blender tools to your collection: Tire Rig Generator, Sketch2Pose, Light Painter, fantasy hut generator, WrapKit, and LimbKit.

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