This page is under construction.
###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
3.
4.
Sketchup model: smartphone-spec-overview.skp