Stage 3
| 1. LAYER | 8. LINE | 15. LINE |
| 2. LINE | 9. CIRCLE | 16. LINE |
| 3. LINE | 10. ERASE | 17. LAYER |
| 4. OFFSET | 11. TRIM | 18. LINE |
| 5. OFFSET | 12. MIRROR | 19. LINE |
| 6. OFFSET | 13. LAYER | 20. LINE |
| 7. OFFSET | 14. LINE | 21. MIRROR |
On completion, you should be able to create a set of orthographic drawings in a computer that includes a sectional view.
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