Helix model with radius

I want to create a helix with radius 1.6e-5m and helix length 1.92e-3m.

r=1.6e-5;

gap=0.1e-3 % pitch distance

d=1.92e-3 % helix distance

z=linspace(0,d,1000);

t=(2*pi/gap)*z;

x=r*cos(t)

y=r*sin(t)

plot3(x,y,z)

Answer 1

[Alan Stevens]

This is what your (unmodified) code produces for me: