55 lines
No EOL
1.9 KiB
OpenSCAD
55 lines
No EOL
1.9 KiB
OpenSCAD
use <bezier_extrusion.scad>;
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use <binary.scad>
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module headband(thickness, height, vers = false, vers_number = 0){
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rake_length = 3;
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shape_band = [[thickness/2,height/2-0.4],
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[thickness/2,-height/2+0.4],
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[thickness/2-0.4,-height/2],
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[-thickness/2+0.4,-height/2],
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[-thickness/2,-height/2+0.4],
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[-thickness/2,height/2-0.4],
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[-thickness/2+0.4,height/2],
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[thickness/2-0.4,height/2]];
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shape_rake = [[0,-height/2],
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[0,height/2],
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[rake_length,height/2-2],
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[rake_length,-height/2+2]];
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shape_halfband = [[thickness/2,height/2-0.4],
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[thickness/2,-height/2+0.4],
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[thickness/2-0.4,-height/2],
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[0,-height/2],
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[0,height/2],
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[thickness/2-0.4,height/2]];
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ctrl_band = [[21,0],[77,56],[56,126],[0,126]];
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ctrl_end = [[21,0],[20,-1],[18,-4],[17,-8]];
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ctrl_rake = [[-52,86],[-40,139.5],[40,139.5],[52,86]];
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union(){
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difference(){
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bezier_extrude(ctrl = ctrl_band, shape = shape_band, sections = 64);
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if(vers){
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translate([23,-1,-1])
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rotate([0,0,49])
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binary(n = vers_number, size = 2, depth = 1.5, sep = 1);
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}
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}
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mirror([1,0,0]) bezier_extrude(ctrl = ctrl_band, shape = shape_band, sections = 64);
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bezier_extrude(ctrl = ctrl_end, shape = shape_band, sections = 16);
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translate([17,-8]){
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rotate_extrude(convexity = 10, $fn = 16) polygon(shape_halfband);
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}
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mirror([1,0,0]) bezier_extrude(ctrl = ctrl_end, shape = shape_band, sections = 16);
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translate([-17,-8]){
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rotate_extrude(convexity = 10, $fn = 16) polygon(shape_halfband);
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}
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bezier_extrude(ctrl = ctrl_rake, shape = shape_rake, partial = true, merlon = 2, gap = 3, sections = (2+3)*42+1);
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}
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}
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headband(thickness = 2.7, height = 5.5); |