Convert FBX to STL File Programmatically in C# .NET

readme.md

You can find more details at: Convert FBX to an STL File in C#

Convert FBX to STL.cs

// Load the input FBX file using the Scene class
Scene document = new Scene("test.fbx");

// Create an instance of STLSaveOptions class 
STLSaveOptions options = new STLSaveOptions();

// Convert FBX to STL file 
document.Save("test_output.stl", options);