message: Inverse gives better results
diff: @@ -28,7 +28,7 @@ void main() {
  gl_Position = vec4(position, 0, 1);
  v_normal = a_normal;
  - v_thickness = 2.0 / u_ratio;
  + v_thickness = 1.0 / u_ratio;
  // Extract the color:
  float c = a_color;
  