There are various ways to create morphs. Besides magnets, Poser also has its own morphing tools, although I think they're pretty limited. For that matter, for supported figures (not DAZ, unfortunately), you can create morphs in the Face Room.

Personally, I use a third party 3D app to create morphs. (In my case, I use Argile, but there are a lot of other options.)

My workflow goes something like this:

1. Make a copy of the blMilWom_v4b.obj geometry (that's for V4, substitute whatever figure you're using).

2. Use UV Mapper (free tool) to remove UVs.

3. Import the un-UV'ed obj into Argile.

4. Sculpt to my satisfaction.

5. Export obj, open in UV Mapper and import original UV map back in. Save UV mapped geometry.

6. Create INJ/REM poses in SyrINJ.

Please note that these are just the tools I use. There are lots of other alternatives.

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Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3