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Op 19/07/2023 om 23:52 schreef Samuel B.:
> Thomas de Groot <tho### [at] degroot org> wrote:
>> Op 18-7-2023 om 02:27 schreef Samuel B.:
>>> [...] It's a generic gothic/medieval window macro. [...]
>>
>> Aaah! I love this! Can it do the typically English 4-centered arch? I
>> have been trying to write a macro lately but did not get very far.
>>
>> --
>> Thomas
>
> Well, you got me interested in the 4-centered arch. I found the following video
> that explains how to make the underlying shape using a compass and straightedge:
> https://www.youtube.com/watch?v=sgyYXKgs8gw
>
Yes, that is the procedure indeed.
> Basically, you start with the smallest circle's position and radius, and
> eventually find the center of the 'X'. Then you use that to make a second
> circle. As it turns out, the curved portion is made from just two perfect circle
> segments.
>
> I hope to get a proper object macro going soon. Not sure what the final geometry
> will be, since there are smooth arches, chamfered and/or filleted arches,
> bricked arches, stepped arches... and any combination of those and beyond...
>
> Sam
>
Very good. Looking forward to it. thanks!
--
Thomas
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