https://forums.autodesk.com/t5/3ds-max-modeling-forum/export-obj-without-normals/m-p/10673462#M3305 <P>That looks like 'Smoothing groups' to me instead of normals.</P><P>&nbsp;</P><P>1. Put an 'Edit Poly' on the mesh and go to 'Polygon' subobject.</P><P>2. Then select all of the polys with 'Ctrl+A.' Next, go to the 'Polygon: Smoothing Groups' panel and click 'Clear All.'</P><P>3. Lastly, "uncheck" the 'Smoothing groups' box in the OBJ export Options dialog.</P><P>&nbsp;</P><P>See if that helps. Sometimes it doesn't and I have to remove the 'Smoothing' in the program the mesh went to, in your case, you may have to remove the Smoothing Groups or assignments from within Marmoset.&nbsp;</P> Thu, 07 Oct 2021 15:11:20 GMT RobH2 2021-10-07T15:11:20Z https://forums.autodesk.com/t5/3ds-max-modeling-forum/export-obj-without-normals/m-p/10637086#M3304 <P>Hello. I try export from max(2020 and 2022 versions) my obj hardsurface to Marmoset for bake. But model to showing without normals\smooth groups. I try change checkboxes at export&nbsp; window, but no body fix that.I try press on 2,1, 0 buttons, on first, on second at "optimize" - nothing help me.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="alexeyfenix_0-1632231863058.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/967847i8FBAB97C141DAF52/image-size/medium?v=v2&amp;px=400" role="button" title="alexeyfenix_0-1632231863058.png" alt="alexeyfenix_0-1632231863058.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="alexeyfenix_1-1632231875529.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/967848iCD827F3301E7A9F1/image-size/medium?v=v2&amp;px=400" role="button" title="alexeyfenix_1-1632231875529.png" alt="alexeyfenix_1-1632231875529.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="alexeyfenix_2-1632231903770.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/967849i8B9E728243C099F9/image-size/medium?v=v2&amp;px=400" role="button" title="alexeyfenix_2-1632231903770.png" alt="alexeyfenix_2-1632231903770.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Tue, 21 Sep 2021 13:47:17 GMT https://forums.autodesk.com/t5/3ds-max-modeling-forum/export-obj-without-normals/m-p/10637086#M3304 alexeyfenix 2021-09-21T13:47:17Z https://forums.autodesk.com/t5/3ds-max-modeling-forum/export-obj-without-normals/m-p/10673462#M3305 <P>That looks like 'Smoothing groups' to me instead of normals.</P><P>&nbsp;</P><P>1. Put an 'Edit Poly' on the mesh and go to 'Polygon' subobject.</P><P>2. Then select all of the polys with 'Ctrl+A.' Next, go to the 'Polygon: Smoothing Groups' panel and click 'Clear All.'</P><P>3. Lastly, "uncheck" the 'Smoothing groups' box in the OBJ export Options dialog.</P><P>&nbsp;</P><P>See if that helps. Sometimes it doesn't and I have to remove the 'Smoothing' in the program the mesh went to, in your case, you may have to remove the Smoothing Groups or assignments from within Marmoset.&nbsp;</P> Thu, 07 Oct 2021 15:11:20 GMT https://forums.autodesk.com/t5/3ds-max-modeling-forum/export-obj-without-normals/m-p/10673462#M3305 RobH2 2021-10-07T15:11:20Z