Sundial
by tatsuya, published
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Description
I made a simple sundial.
Make the south the top; and to the left side
9°=1:00
18°=2:00
30°=3:00
45°=4:00
60°=5:00
Make the south the top; and to the right side
9°=11:00
18°=10:00
30°=9:00
45°=8:00
60°=7:00
Projection plate:
Let's create a triangle on the latitude of the place where you live.
Make the south the top; and to the left side
9°=1:00
18°=2:00
30°=3:00
45°=4:00
60°=5:00
Make the south the top; and to the right side
9°=11:00
18°=10:00
30°=9:00
45°=8:00
60°=7:00
Projection plate:
Let's create a triangle on the latitude of the place where you live.
Recent Comments
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Nice work but realize that sundials have to be made using the degrees (for the Gnomon) of your latitude as a generic sundial will not work right. At the equator the Gnomon's degrees would be 0 and at the North Pole it would be 90 degrees.
Thank you for comment.
I want you to make it in Openscad.
Please make someone thank you. :)
Thanks for the comment.
The message is encouraging. :)
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Robbob
on
Jun 7, 2011
said:
I like it. Cool Now i think i remember something about the angle of the projection plate being determined by your latitude so can someone make this one parametric so that it could be accurate in any region?
tatsuya
on
Jun 8, 2011
said:
Thank you for comment.
I want you to make it in Openscad.
Please make someone thank you. :)
Nice work but realize that sundials have to be made using the degrees (for the Gnomon) of your latitude as a generic sundial will not work right. At the equator the Gnomon's degrees would be 0 and at the North Pole it would be 90 degrees.