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Lightmapping problem, squares appearing on imported model.
Can someone please explain why this is happening when I bake my scene? The model has been exported from 3DS Max '13 to FBX format.
lightmap-error.png
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Answer by ch0wn · Apr 11, 2013 at 10:30 PM
If you experience this problem ensure that your UVW Map is correct otherwise it will cause these anomalies in the lightmapping process.
To do this in 3DS Max:
1) convert mesh to poly. 2) select the modifier tab on the right 3) select the 'UVW Unwrap' modifier 4) select the entire mesh 5) click open 'UV Editor' 6) select > convert edge to face 7) mapping > flatten mapping.
then Export. This should give your polygons UVW real-estate to map texture/light to.