Bill of Materials

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Tools

• 1 #1 pozidrive screwdriver
• 1 2.5mm Ball-end Allen key
• 1 extra M3x8 cap screw - For mounting trapped nuts
• 1 heatgun - If you don't have a heatgun the soldering iron can be used
• 1 Pi Camera lens tool - This should come with the pi camera
• 1 precision wire cutters - Can use a utility knife if these are unavailable.
• 1 RepRap-style printer
• 1 soldering iron
• 1 utility knife - Not a scalpel!
• 1 wire strippers

Materials

• 50 g of Black PLA filament
• 205 g of PLA filament - Of any colour you want. Two contrasting colours may look best.

Consumables

• 3 drops of light oil - Don't skip this or you will damage the screws
• a little solder

Optical Components

• 1 condenser lens

Electronic Components

• 1 150 Ohm Resistor - The exact value will depend on the current rating of your LED.
• 1 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
• 40 mm of Black heatshrink - 4.8mm ID
• 1 Black pre-crimped Female-Female jumper cable (30 cm)
• 1 Raspberry Pi
• 1 Raspberry Pi Camera Module v2
• 1 Raspberry Pi Power Supply
• 35 mm of Red heatshrink - 2.4mm ID
• 1 Red pre-crimped Female-Female jumper cable (30 cm)
• 1 Sangaboard - If you cannot get a Sangaboard try building compatible arduino nano circuit
• 1 Warm white 5mm LED

Mechanical Components

• 3 M3 brass nut
• 14 M3 nut
• 8 M3 stainless steel washers
• 11 M3x10 cap head screws
• 4 M3x25mm stainless steel hex bolt
• 6 M4x6mm button head screws
• 14 No 2 6.5mm self tapping screws
• 3 Viton O-ring (30mmx2mm) - "Viton band"

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