I have a plot created using multiple parametric functions that define an archimedean spiral. I want to export the plotted figure to stl or convert it into a mesh that resembles the plotted shape, however, am unable to do so. I have tried using triangulation and mesh grid but to no avail. The plot I want to export is shown above.
This plot was generated using:
% Spiral edges
x = (inner_radius + spiral_growth_rate.*angles).*cos(angles);y = (inner_radius + spiral_growth_rate.*angles).*sin(angles);syms thetadiff_x = diff((inner_radius +spiral_growth_rate*theta)*cos(theta));diff_y = diff((inner_radius +spiral_growth_rate*theta)*sin(theta));N_x = (-diff_y)/sqrt(diff_x^2 + diff_y^2);N_y = (diff_x)/sqrt(diff_x^2 + diff_y^2);shift_x = vpa(subs(N_x, theta, angles));shift_y = vpa(subs(N_y, theta, angles));outer_x_coords = x+shift_x.*thickness/2;outer_y_coords = y+shift_y.*thickness/2;inner_x_coords = x-shift_x.*thickness/2;inner_y_coords = y-shift_y.*thickness/2;% Joining curves
s = linspace(-1, 1);inner_j_x = x(1) + s .* shift_x(1)*thickness/2;inner_j_y = y(1) + s .* shift_y(1)*thickness/2;outer_j_x = x(end) + s .* shift_x(end).*thickness/2;outer_j_y = y(end) + s .* shift_y(end).*thickness/2;x_coords = double([inner_x_coords, outer_x_coords, inner_j_x, outer_j_x]);y_coords = double([inner_y_coords, outer_y_coords, inner_j_y, outer_j_y]);% [X,Y] = meshgrid(x_coords, y_coords);
%
% T = delaunay(X,Y);
% trimesh(T,x,y);
figurehold onplot(outer_x_coords, outer_y_coords);plot(inner_x_coords, inner_y_coords);plot(inner_j_x, inner_j_y);plot(outer_j_x, outer_j_y);hold off
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