Jig Man has a point - when the paint still warm, two jigs will mate.
Typically cure them right away ... but have a small toaster oven that's only used for curing jigs. Wifey upgraded the toaster oven, so snagged the old one, cleaned it up, and dedicated it to curing powder painted jigs. Have four racks made with strapping tape that I hang the jigs off of.
Don't use the oven because don't want my food tasting like powder paint.