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50 lines
1.5 KiB
Markdown
50 lines
1.5 KiB
Markdown
# ellipse_extrude
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Extrudes a 2D object along the path of an ellipse from 0 to 180 degrees. The semi-major axis is not necessary because it's eliminated while calculating.
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## Parameters
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- `semi_minor_axis` : The semi-minor axis of the ellipse.
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- `height` : The extruded height. It defaults to `semi_minor_axis` if ignored. The `height` should not greater than `semi_minor_axis`. If it's greater than `semi_minor_axis`, the module will use `semi_minor_axis`.
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- `center`, `convexity`, `twist`, `slices`: The same as respective parameters of `linear_extrude`.
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## Examples
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include <ellipse_extrude.scad>;
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semi_minor_axis = 5;
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ellipse_extrude(semi_minor_axis)
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circle(semi_minor_axis * 2);
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include <ellipse_extrude.scad>;
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semi_minor_axis = 5;
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ellipse_extrude(semi_minor_axis, height = 4.5)
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text("A", valign = "center", halign = "center");
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include <ellipse_extrude.scad>;
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semi_minor_axis = 5;
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ellipse_extrude(semi_minor_axis)
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text("♥", size = 40, valign = "center", halign = "center");
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mirror([0, 0, 1]) ellipse_extrude(semi_minor_axis)
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text("♥", size = 40, valign = "center", halign = "center");
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include <ellipse_extrude.scad>;
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semi_minor_axis = 10;
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ellipse_extrude(semi_minor_axis, twist = 30, slices = 10)
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text("♥", size = 40, valign = "center", halign = "center");
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