18 lines
629 B
OpenSCAD
18 lines
629 B
OpenSCAD
// Author: Edward Middleton-Smith
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// Project: DNA Double Helix
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// Technology: Constants and Variables
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// Feature:
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// constants
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radius_rotation_helix = 80; // radius of helix (displacement of any part of helix from central axis)
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radius_strand_helix = 20;
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angle_twist_total = 1440;
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height = 1300;
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rise = 240; // vertical spacing between base-pair rungs
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length_discretisation = 1; // length_discretisationretisation of points per units length
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pi = 3.14159265359; // rounded
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// intermediate variables
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angle_incline = asin(height * 360 / angle_twist_total / 2 / pi / radius_rotation_helix);
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echo("angle_incline: ", angle_incline);
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