Probably common knowledge, but speaking of low poly... both V4 and M4 come with LOD meshes in a seperate folder in geometries. The meshes are grouped, uv mapped, and have the same materials as the default figures. It's easy to transfer a blank rig to any of these, just have the LOD mesh loaded and selected and enter the set up room. Once in the set up room open the library and load a blank donor cr2. Follow the prompts. The process to transfer the rigs is best if you use a completely stripped out V4/M4 cr2. The dev rigs are fine but aren't actually ideal nor blank. Here's links to such blanks... these were provided ages ago on the Daz forum, those links are long gone but I have them.

V4 Blank https://drive.google.com/file/d/1z6sutq8Zc0L2z7NH-A_AFWfUdFm1LQJC/view?usp=drivesdk

M4 Blank https://drive.google.com/file/d/0ByIxWY9EMK8jNjVEWHRfTjJOV1U/view?usp=drivesdk

Here's 1K LOD V4 with her donor rig attached...

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