I've done some stained glass work as a novice. The first thought as to why use a dodecagon would be to simply give strength to the the lead came structure and finished window. Though during that time you speak of stained glass was made for the illiterate so I suppose there is a possibility it could have some symbolic significance as well.
As for the sunshine I dont think its possible for the sun to be in the same position in the sky to shine through the same window since easter isn't always on the same day.
Thats my two 0.2 cents
Last edited by Rockstar; 02-08-19 at 08:27 PM.
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