STEP (STP) File Format 08/09 H-Frame Downloads08/09 SLH 28208/09 SSH 222 10/12 H-Frame Downloads10/12 SLH 28210/12 SSH 222 10/18 H-Frame Downloads10/18 SLH 28210/18 SSH 222 11/14 H-Frame Downloads11/14 SLH 28211/14 SSH 222 11/18 H-Frame Downloads11/18 SLH 28111/18 SSH 221 12/11 H-Frame Downloads12/11 SLH 28112/11 SSH 221 12/13 H-Frame Downloads12-13 SLH 28112/13 SSH 221 12/15 H-Frame Downloads12/15 SLH 28112/15 SSH 221 12/19 H-Frame Downloads12/19 SLH 28112/19 SSH 221 13/15 H-Frame Downloads13/15 SLH 28113/15 SSH 221 13/19 H-Frame Downloads13/19 SLH 28113/19 SSH 221 13/23 H-Frame Downloads13/23 SLH 28113/23 SSH 221 14/15 H-Frame Downloads14/15 SLH 28314/15 SSH 223 14/17 H-Frame Downloads14/17 SLH 28314/17 SSH 223 14/19 H-Frame Downloads14/19 SLH 28314/19 SSH 223 15/15 H-Frame Downloads15/15 SLH 28315/15 SSH 223