This tool is duplicating the added material beam and plate objects.

Tekla Structures v21.1

Tekla Structures v2021

There is no need for a separate study of the current tool as it is identical

• 2.17.3 Welded non-uniform cross-section beams in Tekla Structures
• 2.16.7 The “Prepare part for welding with another part” tool in Tekla Structures
• 2.17.4 The SIN beams in Tekla Structures