Ali doesn't have smoke on his baby viper (or any of his models come to think of it) so even if you don't put smoke in, 2k paint will make the model heavier than Ali's. I think we would be surprised at exactly how much weight it adds, by the time it's primed, painted and lacqured, i bet it's not far off a kilo [

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The yellow 2m has come up really well with t-cut and polish, i wouldn't hesitate about ordering a painted in the mold model, if i hadn't only just finished building a big viper
Duncan