[OpenSCAD] Mayan calendar

Mark Peeters peetersmarkg at gmail.com
Wed Jan 3 15:10:16 EST 2018


I think this shows and describes the calendar cycles and how they go together.
https://youtu.be/BeE-3BBqG58

> On Jan 3, 2018, at 12:25 PM, Dan Shriver <tabbydan at gmail.com> wrote:
> 
> Looking at it again I guess it would be at least four gears because the "secular" 365 calendar is subdivided in an odd way.  18 months of 20 days each,  plus one special month at the end of just five days.
> 
> The Aztec sun stone is odd because it mixes various info together.  It has calendric info but is not a calendar, it has some royal history, and in the center a prediction about how the 5th" sun/ world"  would end.  The Aztecs believed they were living in the 5th world or sun, of a sequence of such worlds/ suns.
> 
> I am curious how that was generated since it could help me with the glyphs.
> 
>> On Jan 3, 2018 8:28 AM, "cbernhardt" <charlie at carols62.com> wrote:
>> I am not certain that this is the calendar you are referring to, but attached
>> is a picture of an Aztec calendar produced in OpenSCAD from an AutoCAD DXF
>> file.  I can send you the DXF file if it would help.
>> <http://forum.openscad.org/file/t1309/aztec.jpg>
>> 
>> 
>> 
>> --
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>> 
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