I do think the idea of silkscreen material is a good one particular. You will find a website on e-bay or Amazon that sells the stuff in different opening measurements. They even make neat seeking aluminum frames (could possibly be used since the riffle tray by incorporating riffles) - I https://physical-gold-ownership86284.qowap.com/96661805/the-ultimate-guide-to-online-ratings-for-precious-metals-iras