Offered in inline and crosshead styles, Rotary Extrusion Dies are suited for medical and multi-lumen tubing plus various extrusions with interlocking layer or multiple striping requirements. By rotating tooling in relation to material flow, rotary head increases wall strength of extrusion. Features include counter-rotating tip and die, co-rotating tip and die, rotating die with conventional tip, rotating tip with conventional die, multi-layer, striping, and optional quick-change cartridges.