Parts and Features Video: What's New in SOLIDWORKS 2021 - Parts Contents Adding and Evaluating Equations You can add and evaluate equations in file properties and cut list properties. Redo Support for Part Features You can use Redo for more than 60 features and commands in parts. Previously, Redo was only available in sketches. Transfer Body Material or Part Material You can transfer body material or part material when you insert or a part, a derived component part, or a mirrored component part.