Re: Vitruvian Man - parts 1-6

On 27/03/2024 14:57, D wrote:
> Wikimedia Commons - Da Vinci Vitruve (photo L. Viatour) 2,258 x 3,070 pixels, 5.81 MB:
...
> "Vitruvius, the architect, says in his architectural work that the measurements
>   of man are in nature distributed in this manner, that is 4 fingers make a palm,
>   4 palms make a foot, 6 palms make a cubit, 4 cubits make a man, 4 cubits make
>   a footstep, 24 palms make a man and these measures are in his buildings. If you
>   open your legs enough that your head is lowered by 1/14 of your height and raise
>   your arms enough that your extended fingers touch the line of the top of your
>   head, let you know that the center of the ends of the open limbs will be the
>   navel, and the space between the legs will be an equilateral triangle"
...
>   * simplifying the value of "y", y/(y+2)=tan(10): y = 2sin(10)/(cos(10)-sin(10));
>     circle chord at top of square = 8sqrt(sin(10)/(cos(10)-sin(10))) = ~3.701451;
>     2arcTan((cos(10)-sin(10))sqrt(sin(10)/(cos(10)-sin(10)))/(cos(10)/2-sin(10)))
>     is central angle of top circle sector ~99.316396 degrees; top circle sector
>     area = pi(2sin(10)/(cos(10)-sin(10))+2)^2arcTan((cos(10)-sin(10))sqrt(sin(10)
>     /(cos(10)-sin(10)))/(cos(10)/2-sin(10)))/180 = ~5.109973 square cubits; top
>     circle segment area = pi(2sin(10)/(cos(10)-sin(10))+2)^2arcTan((cos(10)-sin
>     (10))sqrt(sin(10)/(cos(10)-sin(10)))/(cos(10)/2-sin(10)))/180+(8sin(10)/(cos
>     (10)-sin(10))-8)sqrt(sin(10)/(cos(10)-sin(10))) = ~2.200907 square cubits;

Hi D!

Hi!

Welcome to the froup!

If I follow your instructions, will I be constructing Leo's pic or are 
these CAD instructions for developing a man?

Cheers

Frank