Originally Posted by wonwinglo

*** Glad that you like it Napier,like all these things it is always the simple ideas that work best,like yourself I have struggled for years doing tiny wheels etc,as a variation on the above once you have rolled the blue-tack into a small ball,slice it into two with a razor blade,this way you have a flat surface to push against the wheel,gentle pressure ensures that you can easily adjust the diameter of the tack before applying paint,also use the material to fill cockpits etc with a plug of the material before painting,there is no end to its uses in modelling,Have fun.