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51 lines
1.1 KiB
Markdown
51 lines
1.1 KiB
Markdown
# loft
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When having uniform cross sections, you can use [sweep](https://openhome.cc/eGossip/OpenSCAD/lib3x-sweep.html) to create a model. The `loft` here is best when you have a body with multiple crosssections with different geometries.
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**Since:** 2.3
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## Parameters
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- `sections` : A list of cross-sections, The points must be count-clockwise indexes.
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- `slices` : Defines the number of intermediate points between two sections. Default to 1.
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## Examples
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use <shape_star.scad>
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use <shape_circle.scad>
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use <ptf/ptf_rotate.scad>
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use <loft.scad>
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sects = [
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for(i = 10; i >= 4; i = i - 1)
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[
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for(p = shape_star(15, 12, i % 2 == 1 ? i : i - 1)) ptf_rotate([p.x, p.y, 5 * (i - 4)], i * 10)
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]
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];
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loft(sects, slices = 3);
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translate([30, 0, 0])
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difference() {
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loft(
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[
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[for(p = shape_circle(10, $fn = 3)) [p.x, p.y, 15]],
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[for(p = shape_circle(15, $fn = 24)) [p.x, p.y, 0]]
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],
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slices = 4
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);
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loft(
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[
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[for(p = shape_circle(8, $fn = 3)) [p.x, p.y, 15.1]],
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[for(p = shape_circle(13, $fn = 24)) [p.x, p.y, -0.1]]
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],
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slices = 4
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);
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}
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