Upspring
From Spring

Upspring
Upspring is a Model Converter/Editor for the Spring RTS Engine.
supported formats:
Download
Win32 installer:
Source Code:
Common Issues
Texture assignment not saved / models crash the engine
After loading a .s3o model, Upspring does not automatically reassign its texture. Thus when you load and save a model, it will have no assigned texture. This can crash the engine.
Solution:
- reassign the texture every time you edit your .s3o files.
or
- Open views.cfg and edit the springTexDir entry to point to the unittextures path of your mod