Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
As Cucvrus said, chalk shows through the paint.
I have had good luck making small pencil marks at key points of the pattern, don't have any problem with them showing through. I've never tried outlining the whole pattern in pencil, I may have to experiment with that.
A friend did the same...