STEP (STP) File Format Standard Original Products with or without Guided Support Pillars and Return pins (GSP) on available inserts. 07/07 U-Series Downloads07/07 SSU 22107/07 SLU 281 07/07 TLU 201 08/09 U-Series Downloads08/09 SLU 287 GSP08/09 SLU 28708/09 SSU 224 GSP08/09 SSU 224`08/09 TLU 206 08/10 U-Series Downloads08/10 SLU 287 GSP08/10 SLU 28708/10 SSU 224 GSP08/10 SSU 22408/10 TLU 206 09/07 U-Series Downloads09/07 SSE 22109/07 TLE 201 84/90 U-Series Downloads84/90 SLU 284 GSP84/90 SLU 28484/90 SSU 227 GSP84/90 SSU 22784/90 TLU 207 10/12 Series Downloads10/12 SLU 285 GSP10/12 SLU 28510/12 SSU 224 GSP10/12 SSU 22410/12 TLU 207 10/14 Series Downloads10/14 SLU 285 GSP10/14 SLU 28510/14 SSU 224 GSP10/14 SSU 22410/14 TLU 207 10/16 Series Downloads10/16 SLU 285 GSP10/16 SLU 28510/16 SSU 224 GSP10/16 SSU 22410/16 TLU 207 11/11 Series Downloads11/11 SLU 289 GSP11/11 SLU 28911/11 SSU 230 GSP11/11 SSU 23011/11 TLU 207 12/14 Series Downloads12/14 SLU 285 GSP12/14 SLU 28512/14 SSU 224 GSP12/14 SSU 22412/14 TLU 205 12/16 Series Downloads12/16 SLU 285 GSP12/16 SLU 28512/16 SSU 225 GSP12/16 SSU 22512/16 TLU 205 13/16 Series Downloads13/16 SLU 285 GSP13/16 SLU 28513/16 SSU 225 GSP13/16 SSU 22513/16 TLU 205 14/16 Series Downloads14/16 SLU 285 GSP14/16 SLU 28514/16 SSU 225 GSP14/16 SSU 22514/16 TLU 205 08/09 Extreme Downloads08/09 XSU 224 X08/09 TXL 502 X 84/90 Extreme Downloads84/90 TXL 502 X