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update doc

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Justin Lin
2022-04-04 16:37:37 +08:00
parent d90b0c20fc
commit 7421fa97c4
1 changed files with 4 additions and 4 deletions
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docs/lib3x-sf_thickenT.md
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@@ -11,12 +11,12 @@ It thickens a surface with triangular mesh.
## Examples ## Examples
use <triangle/tri_delaunay.scad>;
use <surface/sf_thickenT.scad>; use <surface/sf_thickenT.scad>;
radius = 100;
thickness = .2; thickness = .2;
a_step = 10; a_step = 15;
r_step = 0.2; r_step = 0.2;
function f(x, y) = (y^2 - x^2) / 4; function f(x, y) = (y^2 - x^2) / 4;
@@ -24,8 +24,8 @@ It thickens a surface with triangular mesh.
points = [ points = [
for(a = [a_step:a_step:360], r = [r_step:r_step:2]) for(a = [a_step:a_step:360], r = [r_step:r_step:2])
let( let(
x = round(r * cos(a) * 100) / 100, x = r * cos(a),
y = round(r * sin(a) * 100) / 100 y = r * sin(a)
) )
[x, y, f(x, y)] [x, y, f(x, y)]
]; ];