Do not install this in your Program Files folder. Place it in a root directory like C:\MSTS_Utils . Run it as . If you have the "Hot" version, you will see "Version 2.5.0" in the title bar.
The standard Shape File Manager allows you to:
: Reverse an object 180 degrees or rotate it by 90-degree increments (new to v2.5).
Without SFM, you cannot:
Microsoft Train Simulator (MSTS), released in 2001, introduced a robust but cryptic file architecture for its 3D assets. The core visual components of trains and scenery were stored in .s (Shape) files. For the first few years of the simulation's life, these files were largely considered "black boxes"—readable by the simulation engine but inaccessible to the average user for editing or texture modification.