Virtools is a [[wikipedia:3D Modeling|3D Modeling]] software used to create or modify Ballance configuration files and [[Mapping|maps]].
Virtools已经很长时间没有更新了。因此在网络上所流传的下载链接，下载下来大多是Virtools5和之前的版本。然而，Ballance是使用 Virtools has stopped updating for long, thus the downloading links on the web mostly are Versions before or 5. However, since Ballance is made by Virtools 2.1 制作的，而 , and the file system update at Virtools 4 后版本文件格式更新，所保存的NMO文件不能被Ballance加载，因此修改Ballance文件或制作地图，所使用的Virtools版本不应超过Virtools made it unable for Ballance to load saved NMO files, the Virtools version used to modify Ballance configuration files or map files shall not be above Virtools 3.5。5.
== 不同版本简介 ==
