Do you want to keep block layer after you explode it? Explode by nature will bring objects back to their original layer. Not where the block is placed. So how you can keep them to block’s layer?
How to add AutoCAD layer information in PDF file?
Do you want to plot AutoCAD drawings to PDF, and still have the layer information? If you are wondering how to do it, follow these steps.
Task 2: Add layer information in a template
The 2nd task to work with AutoCAD better. Choose correct template to start. Add layers. You also need to work with layer states and layer filter.
Creating layer and styles with AutoLISP
In this AutoLISP tutorial, we learn how to create layers, text styles, and dimension styles.