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I have an obj sequence of a fluid simulation from Realflow. I've found a few tools that can import an obj sequence into blender, but most are outdated and don't work. Are there any scripts or plug-ins that can do that?

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  • $\begingroup$ A better idea is to export it as pc2 or mdd, use a mesh cache modifier and load the sequence. $\endgroup$ – p2or Mar 1 '15 at 17:59
  • $\begingroup$ PC2 and MDD require the same number of vertices and faces per frame, fluid topology changes per frame, so neither of these formats are good. $\endgroup$ – wardrums Mar 4 '15 at 5:26
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There is a patch for Blender allowing you to use RealFlow .bin files inside blender.

https://developer.blender.org/T41935

However it looks like the patch is no longer in development, due to alembic support coming very soon.

see: http://lists.blender.org/pipermail/bf-committers/2015-March/045025.html

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This answer is a bit late, but I recently developed a Blender add-on for importing OBJ sequences (it also supports STL and PLY). It's called Stop Motion OBJ. It supports objects with changing topology (for example, your fluid simulation). Here's a link to the blenderartists thread where I announced it. Make sure to read through the README on the Github page for some important notes on how to use it.

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  • $\begingroup$ Wow, how unfortunate we didn't have this back then. My question was for a project were we had to import all fluid-sim OBJs by hand and animate their visibility. It was tiresome. But I can see myself using this for future projects. The project: cgsociety.org/news/article/877/share-a-coke-with-arma $\endgroup$ – zero4mike Aug 9 '16 at 7:26
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Alembic support has been in an uncertain state in Blender. See here for more details. Once it is supported then this will be solved.

Until then this script is able to import OBJ sequences by using Shape keys

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