You may know that you need a plastic extrusion for your upcoming project, but you may be unaware of some of the things that go into its design. Please find below a free design guide to help you understand more about our process. This design guide is intended to assist in specifying plastic materials, developing optimum profiles designs, and helping to understand tooling requirements. Think of this as a primer for the plastic extrusion process. Click the link below, if it does not begin to download right-click the link then click "save link as" to manually start the process.