The current ZModeler2 branch has a revised user interface, and adds new functions. Since version 2, ZModeler is no longer proposed as a feature-full freeware. Once activated, it becomes possible to use filters and plugins to import and export models of various other formats, including formats for computer games. ZModeler2 has a new rendering engine, and adds several more functions. It sports a vastly different user interface than ZModeler1. Additionally, ZModeler2 supports quadrilateral polygons, a major step-up from ZModeler1. Next version of Zmodeler was Zmodeler3 with changes to the material browser, UV Tile which replaces the "Scale" of the texture map. There were other various changes to Zmodeler3.