FreeCAD 的電腦輔助設計功能建構於 OpenCasCade 核心。物件坊讓 FreeCAD 取用 OpenCasCade 物件與功能。OpenCasCade 是一專業級電腦輔助設計核心,善於空間幾何控制與物件。不同於 網狀模組 物件,物體物件更加複雜,因此容許更多進階操作,例如一致布林操作、修改歷史和參數行為。
The Part Workbench can also create objects that are not solids, such as faces, shells, and objects with only edges or vertices. It also provides a variety of general purpose tools for geometry manipulation, geometry validation, and making copies.
The PartDesign Workbench uses an alternative workflow for creating solids. For a detailed discussion of the Part Workbench versus the Part Design Workbench see Part and Part Design.
The Std Measure tool replaces the tools listed below. introduced in version 1.0
See Part scripting.