Autodesk Autocad 2021 ((free)) 〈2K 720p〉

尽管 AutoCAD 2021 带来了令人兴奋的新功能，但在实际的升级部署中，它在部分用户环境下也暴露出了稳定性与兼容性问题：

Autodesk rewrote the graphic engine for 2021. Users report that panning and zooming in dense 2D drawings (like site plans or electrical schematics) is up to than in AutoCAD 2020. Autodesk Autocad 2021

Ready to get started? Visit the official Autodesk website to download a free trial of the latest version (which includes the ability to "Save As" 2021 format for compatibility). Autodesk Autocad 2021