In the Reference CAD Models toolbar of piping input, click S3D/SPR Model 
. The Load S3D/SPR Model dialog box displays.
You can load a partial or a full VUE or HSF model. From the Load S3D/SPR Model dialog box, you can specify to rotate the model upon import into CAESAR II, if needed. You can also specify a bounding box area, which indicates a section of the model that you want to load into CAESAR II.