Product:	MicroStation
	Version:	CONNECT, 2023
	Environment:	N/A
	Area:	Import/Export
	Subarea:	N/A

Problem

Can't export 3D elements to STEP. Export fails.
In the log file, various failure messages are observed such as:

Failure: Failed to extract parameters of b_spline_surface from b surface.

Failure: Unable to create surface - Export failure # 0

Solution

Increase the value of the tolerances contained in the Export STEP settings. Then export to STEP.

See Also

Other language sources

Original Author:

Jayson Perry