Bill of Materials

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1 #1 pozidrive screwdriver
1 2.5mm ball ended Allen key
1 2.5mm Ball-end Allen key
1 extra M3x10 cap screw - For mounting trapped nuts
1 Pi Camera lens tool - This should come with the Raspberry Pi Camera Module v2. If it is missing, you can 3D print a [workaround lens remover].
1 precision wire cutters - Can use a utility knife if these are unavailable.
1 RepRap-style printer
1 utility knife - Not a scalpel!

4 cm^2 of 0.5mm polypropylene
50 g of Black PLA filament
205 g of PLA filament - Of any colour you want. Two contrasting colours may look best.

1 12.7 mm achromatic lens
1 condenser lens
1 microscope objective - This page provides more information on choosing an objective.

2 2 pin Du Pont connector female housing
1 200mm Pi Camera ribbon cable - This is longer than the standard ribbon cable the Pi Camera is sold with!
3 28BYJ-48 micro geared stepper motors
1 illumination PCB - A 5mm LED can be used instead, if you follow the [LED workaround].
1 Raspberry Pi
1 Raspberry Pi Camera Module v2
1 Raspberry Pi Power Supply
1 Sangaboard - If you cannot get a Sangaboard, you can put together [workaround motor electronics] instead.