<p>(5 years, 3 months later)</p>
<p>You might like <a href="https://github.com/openscad/openscad/pull/4348" rel="nofollow noreferrer">https://github.com/openscad/openscad/pull/4348</a> which adds a <code>fill()</code> builtin to do just this ... it just got merged :-)</p>
<p><a href="https://i.sstatic.net/kvFfZ.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/kvFfZ.png" alt="OpenSCAD, filled" /></a></p>

CC BY-SA 4.0
2022-10-11T00:53:40.067Z
2022-10-11T00:53:40.067Z
NickZoic
<pre><code>module initial(letter, size) {
  linear_extrude(height=size*4, center=true) {
    text(letter, size=size, halign="center", valign="center", font=font);
  }
}
</code></pre>

<p>I'm using this module to generate very tall letters that I then cut out of other shapes using "difference".</p>

<p>This works well for some letters (like M), but leaves detached pieces floating in the middle for letters like "O" or "A".</p>

<p>I'd like to know how to get just the outline of the letter without changing the shape of that outline the way the "hull" function would.</p>

<2d>
OpenSCAD: Using outline of 2D shape
DonGar
# OpenSCAD: Using outline of 2D shape

(Asked by: username_0 on 2017-07-05)

```
module initial(letter, size) {
  linear_extrude(height=size*4, center=true) {
    text(letter, size=size, halign="center", valign="center", font=font);
  }
}

```

I'm using this module to generate very tall letters that I then cut out of other shapes using "difference".

This works well for some letters (like M), but leaves detached pieces floating in the middle for letters like "O" or "A".

I'd like to know how to get just the outline of the letter without changing the shape of that outline the way the "hull" function would.

**Tags:** 2d


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## 1 answers

### Answer by username_1 on 2022-10-11. Score: 2 | Accepted answer

(5 years, 3 months later)

You might like <https://github.com/openscad/openscad/pull/4348> which adds a `fill()` builtin to do just this ... it just got merged :-)

[![OpenSCAD, filled](https://i.sstatic.net/kvFfZ.png)](https://i.sstatic.net/kvFfZ.png)


---

