Stopmotion Alembic animation + Grasshopper test

Recently I needed to export animated objects straight out of Grasshopper. I’m not aware of other methods than trying to do it through Alembic file format. Unfortunately, Rhino can’t export to this format and I saw some wishes about it, which I of course join:

However, I found one workaround which for now I think is better than nothing.
You can use e.g. Pancake GH plugin to export series of stopframes to Obj format and then use Stop Motion OBJ plugin for Blender.
Then, with one hack you can export your sequence to Alembic file (works the best with Blender 2.83).


just a gallery miniature

Stop Motion OBJ (OBJ, STL, PLY sequence importer) - v2.1.1 - #3 by Albertofx - Released Scripts and Themes - Blender Artists Community

This is a totally brute force method, but I guess it will unlock some workflows. It suits very well Grasshopper because you don’t need to think about rigging or animating anything, just export the sequence of slider states with the geometry you want.

I like how this method blends absolutely basic stop motion animation techniques with 3D stuff.

These are some simple tests I made:


There’s an importer/exporter for Unity. I might be able to port it to Rhinoceros if I had free time.