As per:
http://digital-photography-school.com/forum/how-i-took/73173-parabolas.html
Had so much fun doing these
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8.
http://digital-photography-school.com/forum/how-i-took/73173-parabolas.html
Had so much fun doing these
1.
2.
3.
4.
5.
6.
7.
8.