https://forums.autodesk.com/t5/3ds-max-modeling-forum/composite-map-using-multiple-uv-channels/m-p/5932501#M18294 <P>Problem is viewport can't show all uv channels when preview for material is turned on.</P><P>Need to switch on preview&nbsp;@ composite map instead. However this doesn't affect render. Render is capable to handle all channels.</P><P>&nbsp;</P><P>upd.: sorry, topic was forwarded to my e-mail so I thought this is reply is for me. Don't know how to delete this message <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P> Wed, 02 Dec 2015 12:11:02 GMT Anonymous 2015-12-02T12:11:02Z