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Pointed ellipse #14

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Pointed ellipse #14

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b38c05b
Added definition for creation of a pointed ellipse (vesica piscis)
Aug 19, 2014
511ec97
Moved from 2D shapes to 3D shapes. Added a height parameter.
Aug 19, 2014
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15 changes: 15 additions & 0 deletions regular_shapes.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,21 @@ module ellipse(width, height) {
scale([1, height/width, 1]) circle(r=width/2);
}

module pointed_ellipse(width, length, height) {
width_ratio = (width/2)/width;
original_length = (width*2) * sqrt(3);
length_ratio = length/original_length;

translate([-(width/2),0,0])
scale([width_ratio,length_ratio,1]) {
intersection() {
cylinder(r=width*2,h=height,center=true);
translate([width*2,0,0])
cylinder(r=width*2,h=height,center=true);
}
}
}

// The ratio of lenght and width is about 1.39 for a real egg
module egg_outline(width, length){
translate([0, width/2, 0]) union(){
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