Filament: For quickly printing models on the Vyper, PLA is a great material choice.3D Printer: In this article, we’ll be using the Anycubic Vyper FDM 3D printer, one of the best 3D printers you can buy in 2021.The app costs $0.99 to export a 3D model for printing, but you can take as many scans as you want before printing to get the hang of the scanning process. The app is free to download and use, and you can create unlimited scans with it for free. We’ll be using the iPhone app FaceApp by Bellus3D for this article.