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Merge branch 'martinbudden-rectangular_tube'

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Chris Palmer 2021-01-18 12:52:53 +00:00
commit a7d181ffc4
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1
readme.md
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@ -5970,6 +5970,7 @@ Simple tube or ring
### Modules
| Module | Description |
|:--- |:--- |
| `rectangular_tube(size, center = true, thickness = 1, fillet = 0.5)` | Create a retangular tube with filleted corners |
| `ring(or, ir)` | Create a ring with specified external and internal radii |
| `tube(or, ir, h, center = true)` | Create a tube with specified external and internal radii and height `h` |
| `woven_tube(or, ir, h, center= true, colour = grey(30)` | Create a woven tube with specified external and internal radii, height `h`, colours, warp and weft |

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tests/png/tube.png
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3
tests/tube.scad
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@ -27,6 +27,9 @@ module tubes() {
translate([50, 10])
tube(10, 8, 30);
translate([100, 10])
rectangular_tube([10, 20, 30]);
}
tubes();

8
utils/tube.scad
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@ -68,3 +68,11 @@ module woven_tube(or, ir, h, center= true, colour = grey(30), colour2, warp = 2,
}
}
}
module rectangular_tube(size, center = true, thickness = 1, fillet = 0.5) { //! Create a retangular tube with filleted corners
extrude_if(size.z, center = center)
difference() {
rounded_square([size.x, size.y], fillet);
rounded_square([size.x - 2 * thickness, size.y - 2 * thickness], fillet);
}
}