Stiffeners and gussets This section introduces stiffener and gusset components available in Tekla Structures. Click the links below to find out more: Gusset stiffeners (171) Stiffeners (1003) Horizontal stiffener (1017) Column stiffeners (1030) Stiffeners (1041) Multiple stiffeners (1064) Standard gusset (1065) Gusset+ T