All models can be found on maker world. The app to scan the cards is ManaBox. The phone holder is not necessary but it makes scanning easier and quicker specially when you have over 600 cards. I 3D Print Scanstand For Trading Cards MTG Card Scanner For ManaBox App, Quick Price Checks, White, Standard Size Cards Slinger 5.0 STL MTG Card Scanner Stand TCG Phone Scanner Mount WarSplay Card Scanner FAST PRINT (MTG Pokemon) STL Gratis 3DFinder