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tessaK9 2026-04-02 12:19:44 +02:00
commit 615277344f
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scad/base/headband.scad Normal file
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use <bezier_extrusion.scad>;
module headband(thickness, height){
rake_length = 3;
shape_band = [[thickness/2,height/2-0.4],
[thickness/2,-height/2+0.4],
[thickness/2-0.4,-height/2],
[-thickness/2+0.4,-height/2],
[-thickness/2,-height/2+0.4],
[-thickness/2,height/2-0.4],
[-thickness/2+0.4,height/2],
[thickness/2-0.4,height/2]];
shape_rake = [[0,-height/2],
[0,height/2],
[rake_length,height/2-2],
[rake_length,-height/2+2]];
shape_halfband = [[thickness/2,height/2-0.4],
[thickness/2,-height/2+0.4],
[thickness/2-0.4,-height/2],
[0,-height/2],
[0,height/2],
[thickness/2-0.4,height/2]];
ctrl_band = [[21,0],[77,56],[56,126],[0,126]];
ctrl_end = [[21,0],[20,-1],[18,-4],[17,-8]];
ctrl_rake = [[-52,86],[-40,139.5],[40,139.5],[52,86]];
union(){
bezier_extrude(ctrl = ctrl_band, shape = shape_band, sections = 64);
mirror([1,0,0]) bezier_extrude(ctrl = ctrl_band, shape = shape_band, sections = 64);
bezier_extrude(ctrl = ctrl_end, shape = shape_band, sections = 16);
translate([17,-8]){
rotate_extrude(convexity = 10, $fn = 16) polygon(shape_halfband);
}
mirror([1,0,0]) bezier_extrude(ctrl = ctrl_end, shape = shape_band, sections = 16);
translate([-17,-8]){
rotate_extrude(convexity = 10, $fn = 16) polygon(shape_halfband);
}
bezier_extrude(ctrl = ctrl_rake, shape = shape_rake, partial = true, merlon = 2, gap = 3, sections = (2+3)*42+1);
}
}
headband(thickness = 2.7, height = 5.5);