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auger() actually builds augers with all params

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radii is used instead of diameters, has a taper parameter that will change how much the blade tapers at the end
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Justin Bull 2012-11-05 20:38:56 -05:00
parent 8930770b3a
commit e8151cf061
1 changed files with 4 additions and 4 deletions
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screw.scad
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@ -23,15 +23,15 @@ module helix(pitch, length, slices=500){
child(0); child(0);
} }
module auger(pitch, length, outside_diameter, inner_diameter) { module auger(pitch, length, outside_radius, inner_radius, taper_ratio = 0.25) {
union(){ union(){
helix(pitch, length) helix(pitch, length)
polygon(points=[[10,10],[100,1],[100,-1],[10,-10]], paths=[[0,1,2,3]]); polygon(points=[[0,inner_radius],[outside_radius,(inner_radius * taper_ratio)],[outside_radius,(inner_radius * -1 * taper_ratio)],[0,(-1 * inner_radius)]], paths=[[0,1,2,3]]);
cylinder(h=length, r=20); cylinder(h=length, r=inner_radius);
} }
} }
module test_auger(){translate([300, 0, 0]) auger(100, 300);} module test_auger(){translate([50, 0, 0]) auger(40, 80, 25, 5);}
module ball_groove(pitch, length, diameter, ball_radius=10) { module ball_groove(pitch, length, diameter, ball_radius=10) {