There are a few issues left:Standards and specifications (see yellow marking below) which are quoted in the drawing have to be found in SAP (see attachment “Standards and specifications in drawings.ppt” for explanation and details.)I think you should create a table or flags with Edscha part numbers outside the customer drawing (see drawing of tension spring) because it is very difficult to identify the components even with 3D-Data. Anyway there are usually some colleagues who have to work with the assembly and don´t have access to 3D-Data.