Digital Sundial V2

Description:I was inspired by the Digital Sundial put together by Mojoptix.I downloaded his design from Thingiverse and learned more aboutthe design by watching his podcast at the following site: http://www.mojoptix.com/fr/2015/10/12/ep-001-cadran-solaire-numerique The engineer in me was captivated. I had to try and 3D print it.However, my 3D printer struggled to print this design well ... especially the minute-tens digit. This got me thinking about changing the design to make it more 3D printer friendly. As I was coming up with my design, I did some additional researchand found another digital sundial design that was along the linesof what I was thinking. http://digitalsundial.com/ They improved the non-linearity of the grating pattern by using the index of refraction of a piece of plexiglassbetween two masks. This was a super-slick solution however thisseemed impractical for what I wanted so I just decided to livewith the inaccuracy of not having this element. I ultimately decided to