I just made this to see if I could do it without ZBrush.

Right is V4 completely "de-boobed" using the MorphBrush. The new flattening brush is a great help, btw.

Left are some new breasts done with seven magnets. No DAZ morphs at all.

Could be better, but I just wanted to proof it can be done without leaving Poser.

:-)

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Thanks Richard.

No problems with the UV's as long as you don't use a texture with painted on "underboob shadows".