Init: DNA Double Helix OpenSCAD project.

DNA_Double_Helix/modules/constants.scad

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