#6
25th Feb 2011 at 11:45 AM
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If you want 4, go over to the "Other" tab, untick RGB, and tick RGBA. You can then go back into Designs, and select the 4th channel. You'll notice that all the boxes are blank - that's fine, just pick any random pattern and it will fill all but one of the boxes in; then type "4,4" into the Tiling box and you're ready to go.
Do be aware, though, that for reasons unknown some meshes will throw a hissy fit if you enable the 4th channel... in those cases, you either have to use a different mesh, or stick to three channels.
What I lack in decorum, I make up for with an absence of tact.