the home brewer.. TRY my panel maker for a "first" class job!! Fineline computerised engraving Greg Britten..114 High St ,MARYBOROUGH..Vic..3465 Ph 03 54615235.. Your ART work need's only to be in metric, es the size of lettering..does not need to be to scale either.. I use 5mm high characters in White on Black back ground.. Greg can index rotator switch indexing also, eg 30 degrees for rotary switches es say 11 position or wotever!!..place a + where you need to drill a hole..easy done say's our Greg Work from interstate NO PROBLEM!!