@Madpolis7 no, using the construction method in the video you must start with a square. Then repeat the construction ad infinitum. What result is a sequence of squares decreasing in size, like that in the video, but they are all squares. The golden spiral is constructed with the golden rectangle. Google 'whirling squares' and go to the first link, go to the bottom of that page. Take note of the divisions resulting in all squares.
The construction method can be used on a rectangle of arbitrary ratios (i.e. not a golden rectangle).. using the method is simply dividing the rectangle at its reciprocal. Which is the case with the golden spiral.
meh, I hope this is coming across clearly. It's kind of difficult to explain with words. That's why I've been looking for videos so I can send the explanation to a friend.
This is wrong. To divide the square you need a line parallel to the vertical sides. You won't be able to do that with an X as shown in the video here.
Open your compass to about 2/3 of one side of the square, make the lower corners of the SQUARE your centre points and strike a pair of arcs to form a cross below the centre of the line forming the bottom of the square.
Repeat the process for the top two corners of the square to form a cross above.
If most of you know how to do it then why watch this video?
9909jake 4 months ago
@9909jake To see how the maker of the video explains it. But the rectangle in the video is not golden.
supravista 3 months ago
@supravista yes it is...
Madpolis7 3 months ago
@Madpolis7 no, using the construction method in the video you must start with a square. Then repeat the construction ad infinitum. What result is a sequence of squares decreasing in size, like that in the video, but they are all squares. The golden spiral is constructed with the golden rectangle. Google 'whirling squares' and go to the first link, go to the bottom of that page. Take note of the divisions resulting in all squares.
(continued)
supravista 3 months ago
@supravista (continued)
The construction method can be used on a rectangle of arbitrary ratios (i.e. not a golden rectangle).. using the method is simply dividing the rectangle at its reciprocal. Which is the case with the golden spiral.
meh, I hope this is coming across clearly. It's kind of difficult to explain with words. That's why I've been looking for videos so I can send the explanation to a friend.
supravista 3 months ago
Wrong.
yangyin09u 7 months ago
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Ultimist 9 months ago
This is wrong. To divide the square you need a line parallel to the vertical sides. You won't be able to do that with an X as shown in the video here.
Open your compass to about 2/3 of one side of the square, make the lower corners of the SQUARE your centre points and strike a pair of arcs to form a cross below the centre of the line forming the bottom of the square.
Repeat the process for the top two corners of the square to form a cross above.
Join the crosses with a single line.
M4rkpj 1 year ago