1. Mold forming part of the structure 2. The structure of the pouring system and the exhaust system. 3. Parting and sub-mode pickup mode. 4. Outline structure and all connections, positioning, orientation of the guide. 5. Mark the height of the cavity (not required, as required) and the overall size of the mold. 6. Auxiliary tools (pickup tools, correction tools, etc.). 7. Order all parts in sequence, and fill in the schedule. 8. Mark technical requirements and instructions.