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Tutorial fixes.

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Revar Desmera 2021-12-13 21:58:58 -08:00
parent f9c5dc2cb9
commit 477f4af170
2 changed files with 9 additions and 10 deletions
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tutorials/Paths.md
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@ -136,7 +136,7 @@ stroke(path, closed=true, endcap2="arrow2");
``` ```
```openscad-2D ```openscad-2D
path = rect([40,30], rounding=5, center=true); path = rect([40,30], rounding=5);
stroke(path, closed=true, endcap2="arrow2"); stroke(path, closed=true, endcap2="arrow2");
``` ```

17
tutorials/Shapes2d.md
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@ -28,13 +28,13 @@ You can use it in the same way you use `square()`, but it also provides
extended functionality. For example, it allows you to round the corners: extended functionality. For example, it allows you to round the corners:
```openscad-2D ```openscad-2D
rect([60,40], center=true, rounding=10); rect([60,40], rounding=10);
``` ```
Or chamfer them: Or chamfer them:
```openscad-2D ```openscad-2D
rect([60,40], center=true, chamfer=10); rect([60,40], chamfer=10);
``` ```
You can even specify *which* corners get rounded or chamfered. If you pass a You can even specify *which* corners get rounded or chamfered. If you pass a
@ -52,18 +52,18 @@ translate([ 50, 50]) text3d("I");
translate([-50, 50]) text3d("II"); translate([-50, 50]) text3d("II");
translate([-50,-50]) text3d("III"); translate([-50,-50]) text3d("III");
translate([ 50,-50]) text3d("IV"); translate([ 50,-50]) text3d("IV");
rect([90,80], center=true); rect([90,80]);
``` ```
If a size is given as `0`, then there is no rounding and/or chamfering for If a size is given as `0`, then there is no rounding and/or chamfering for
that quadrant's corner: that quadrant's corner:
```openscad-2D ```openscad-2D
rect([60,40], center=true, rounding=[0,5,10,15]); rect([60,40], rounding=[0,5,10,15]);
``` ```
```openscad-2D ```openscad-2D
rect([60,40], center=true, chamfer=[0,5,10,15]); rect([60,40], chamfer=[0,5,10,15]);
``` ```
You can give both `rounding=` and `chamfer=` arguments to mix rounding and You can give both `rounding=` and `chamfer=` arguments to mix rounding and
@ -71,15 +71,14 @@ chamfering, but only if you specify per corner. If you want a rounding in
a corner, specify a 0 chamfer for that corner, and vice versa: a corner, specify a 0 chamfer for that corner, and vice versa:
```openscad-2D ```openscad-2D
rect([60,40], center=true, rounding=[5,0,10,0], chamfer=[0,5,0,15]); rect([60,40], rounding=[5,0,10,0], chamfer=[0,5,0,15]);
``` ```
#### Anchors and Spin #### Anchors and Spin
Another way that `rect()` is enhanced over `square()`, is that you can anchor, Another way that `rect()` is enhanced over `square()`, is that you can anchor,
spin and attach it. spin and attach it.
The `anchor=` argument is an alternative to `center=`, which allows more The `anchor=` argument takes a vector as a value, pointing roughly towards
alignment options. It takes a vector as a value, pointing roughly towards
the side or corner you want to align to the origin. For example, to align the side or corner you want to align to the origin. For example, to align
the center of the back edge to the origin, set the anchor to `[0,1]`: the center of the back edge to the origin, set the anchor to `[0,1]`:
@ -145,7 +144,7 @@ rect([60,40], anchor=BACK, spin=30);
Anchor points double as attachment points, so that you can attach other shapes: Anchor points double as attachment points, so that you can attach other shapes:
```openscad-2D ```openscad-2D
rect([60,40],center=true) rect([60,40])
show_anchors(); show_anchors();
``` ```