Thank you for your overwhelming response to our recent technical paper, Machining Plastics the Essential Guide to Tools and Techniques! We’ve heard from many of you stating that this guide to engineered plastic components has become a go-to resource for your machine shop. We’ve also had some follow-up questions about the cost vs. performance debate, especially with regard to more-expensive materials. When does the cost of machining expensive plastics outweigh the cost of traditional metals? Read on for more (and to view our relative cost of materials chart).