pub fn export_step_named_handles(
named: &[(String, u32)],
name: &str,
unit: &str,
timestamp: &str,
pmi: Option<&StepPmi<'_>>,
) -> Result<StepExportReport, String>Expand description
export_step_handles with each body’s SCENE NAME and an optional PMI
block: the engine-native Export→STEP lane. Names key the
MANIFOLD_SOLID_BREPs and the PMI reference resolution.