The hobby printer uses fused deposition modeling (FDM) 3D printing to make the products on this site. This works by melting various plastic polymer filaments, extruding, and depositing them layer by layer into the shape of the item. With the heat of the melted polymer, the layers bond together. This style of printing offers good resistance/strength against compression and impact forces, especially ones applied along the z-axis. As a result of this printing process, you can see visible layer lines in the printed products, and you may sometimes run into very minor visual imperfections.

To make the bolt carrier group cases which are our biggest selling items, we specific use Acrylonitrile Styrene Acrylate (ASA) polymer. This specific material has enhanced ultra-violet light resistance which helps keep it from becoming brittle when exposed to sunlight, high impact resistance, high strength and stiffness, and is also chemically resilient to oils and many solvents. For more information about ASA, here's another resource: https://sybridge.com/acrylonitrile-styrene-acrylate-asa/#:~:text=If%20you're%20creating%20a,environmental%20stress%20cracking%20than%20ABS