Function convert 

pub fn convert(input: PathBuf, output: PathBuf) -> Result<()>

Convert between 3D formats (3MF, STL, OBJ).

Auto-detects formats based on file extensions and performs the appropriate conversion.

Supported conversions:

• STL (binary) → 3MF
• OBJ → 3MF
• 3MF → STL (binary)
• 3MF → OBJ

Arguments

• input - Input file path
• output - Output file path

Errors

Returns an error if the format is unsupported or conversion fails.

Example

use lib3mf_cli::commands::convert;
use std::path::PathBuf;

convert(PathBuf::from("mesh.stl"), PathBuf::from("model.3mf"))?;