Blenderthings

Blender Particle Tracer for Animation Nodes is a setup for Blender that records how one or many particles move, saving each as a keyframed object and generating splines from the particle movement.

Rigged Scroll Plan is a Blender rig for animating the unrolling of scrolls, building plans, and marketing campaign visuals. It handles the curves, tilts, and orientations that unrolling requires, and ships with documentation.