Revert "Update docs/projects/week-8-3d-printing.md,...
Revert "Update docs/projects/week-8-3d-printing.md, docs/images/finalproject/week8on/middlebackd1.jpg"
This reverts commit 85e47e44
Revert "Update docs/projects/week-8-3d-printing.md, docs/images/finalproject/week8on/middlebackd1.jpg"
This reverts commit 85e47e44