XS_GA_CONNECTING_SIDE_MARK_SYMBOL
This advanced option must be set in an initialization (.ini) file.
Use this advanced option to change the symbol for a connecting side mark in general arrangement drawings. By default, the side mark symbol is the symbol number 34 in the xsteel.sym symbol file. To change the symbol, set this advanced option to a different symbol number.
Symbol 34 in xsteel.sym:
For more information about connecting side marks, see Indicate part orientation.
Restart Tekla Structures after changing the value to activate the new setting.