Quantity   Component name
1 × Old junked microscope body.
1 × Scrap microscope objective
1 × 2 M3 screws
1 × M3 tap
1 × DVD + CD drive
1 × 2.5mm drill bit
1 × Lithium grease
1 × USB inspection camera / "endoscope"
1 × Aluminium bar
1 × 20mm square piece of tool steel
1 × 100mm 5mm steel bar
1 × Small lathe
1 × "Dremel" grinder