The stpfiles/cis directory under the ST-Developer installation contains the sample files are listed below.

File Name 			Description 	Design Source
========= 			=========== 	==============
MainSteel_detail.stp		CIS/2		Bentley Systems 
MainSteel_structural.stp	CIS/2		Bentley Systems
Truss A_mod.stp			CIS/2		Bentley Systems
design1_structural.stp		CIS/2		Bentley Systems
design2_detail.stp		CIS/2		Bentley Systems
design2_structural.stp		CIS/2		Bentley Systems
design3_detail.stp		CIS/2		Bentley Systems
design3_structural.stp		CIS/2		Bentley Systems