List of parts

• 3 injection molded plastic (ABS) parts
• 2 short screws
• 2 long screws
• black paper liner
• diffraction grating
• protective film
• precision printed slit
• jewelers screwdriver

Instructions

1. Carefully pull out the grating without getting dust or fingerprints on it, and lay it ...
2. Place the double-sided tape on the interior of the molded plastic parts as shown

Sketchup model: smartphone-spec-overview.skp

Mathew's Assembly Run

• 3 injection molded plastic (ABS) parts
• 2 short screws
• 2 long screws
• 1 short black paper liner (5cm x 4cm)
• 1 long black paper liner (5cm x 8cm)
• 6 5cm lengths of double-sided tape
• 1 5cm black foam tape
• diffraction grating (5cm x 4.4cm) *protective film I did without-- this extra step increases the chances of damaging the grating in order to protect it.
• precision printed slit
• jewelers screwdriver
• razor blade

See full image set here