For the y axis ?
Load your clothing in Poser but do NOT conform it.
No drag and drop on the figure; just load it.

Then take it to the fitting room.
Fit, create figure, transfer the morphs you need, autogroup, zero and click OK
Conform in the Pose room.

Happy Posering

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!