https://forums.autodesk.com/t5/3ds-max-modeling-forum/composite-map-using-multiple-uv-channels/m-p/5918955#M18292 <P>if more then one uv channels used in material - viewport shows only 1st channel (</P><P>But there is a workaround. You must switch 'preview in viewport' button OFF for material and turn this option ON for composite map, where multiple channels are used.</P><P>&nbsp;</P><P>It will not respect blending modes, only raw mix</P> Sat, 21 Nov 2015 12:30:30 GMT Anonymous 2015-11-21T12:30:30Z