Update 7 files

- /docs/assignments/image.png
- /docs/assignments/image-1.png
- /docs/assignments/week07.md
- /docs/images/week07/LACE.3dm
- /docs/images/week07/LACE.3mf
- /docs/images/week07/LACE.gh
- /docs/images/week07/LACE_0.3mm_PLA_MK3S_1h52m.gcode