2016-04-15 
       
       Edge-Lit Display 
       
 (IMG) Image
       
       I had some clear acrylic laser-cut into 10 number plates, stuck
       some LEDs to them, taped with copper tape, and voilà.
       
 (IMG) Image
       
 (HTM) Video
       
       The design was drawn in Inkscape and cut by Ponoko as usual. The
       font I used is Linux Libertine.
       
       I found 2×3×4 mm LEDs from eBay that could be inserted into 2 mm
       acrylic elegantly. Unfortunately the tolerances were a bit off, so
       I had to persuade the plates with some filing. I had made also top
       and bottom pieces to go to the 'teeth' on the top and bottom, but
       the acrylic was 0.1+a bit mm thicker than specified, so the error
       accumulated to more than 1 mm. I had tried to anticipate this, so I
       had a 1 mm version of the bracket... not enough.
       
       Some copper tape was added to each plate to reduce light bleeding
       to adjacent plates. I also used the tape to bind the plates
       together.
       
       The whole thing is about 4×5½×2 cm, which is about 2 match boxes.
       
       I had two of these made, so if you want to buy the other one,
       message me!