Created
April 3, 2020 10:52
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$fn=100; | |
headband_file="Prusa_RC3_PLA.stl"; | |
num=2; | |
adjust_base=12.5; | |
adjust_base_x=7.8; | |
support_thickness=1.2; | |
support_bridge=1.5; | |
heigth=20; | |
bump=0.30; | |
support_size=0.8; | |
extend_for_testing=00; //Set to 10 to see cylinders | |
//Supports on just one side | |
support_locs=[ | |
//[X, Y,Rotate] | |
[0,67.55,0], | |
[90.95,7.1,30], | |
[0,27.2,0], | |
[84.5,-29,13], | |
[86.25,-68,0], | |
]; | |
rotate(180){ | |
color("OrangeRed"){ | |
for(x=[0:num-1]){ | |
translate([adjust_base_x,0,x*(heigth+bump)+adjust_base]){ | |
import(headband_file, convexity=3); | |
} | |
} | |
} | |
mirror_copy() | |
cylinder_supports(); | |
//Supports | |
mirror_copy(){ | |
support_front(); | |
support_side(); | |
} | |
} | |
module support_front(){ | |
color("#00FF00"){ | |
union(){ | |
//Supports | |
linear_extrude(2*bump){ | |
translate([29.55,67.5]){ | |
difference(){ | |
difference(){ | |
union(){ | |
circle(10); | |
} | |
translate([5,-30.8]){ | |
rotate(73){ | |
square(25); | |
} | |
} | |
} | |
circle(4-support_thickness); | |
translate([0,-4+support_thickness,0]){ | |
square(8-2*support_thickness, center=true); | |
} | |
} | |
} | |
} | |
linear_extrude((num-1)*(heigth+bump)){ | |
translate([29.55,67.5]){ | |
difference(){ | |
difference(){ | |
union(){ | |
circle(4); | |
translate([0,-4,0]){ | |
square(8, center=true); | |
} | |
} | |
translate([0,-24]){ | |
rotate(73){ | |
square(20); | |
} | |
} | |
} | |
circle(4-support_thickness); | |
translate([0,-4+support_thickness,0]){ | |
square(8-2*support_thickness, center=true); | |
} | |
} | |
} | |
} | |
for(y = [1:num-1]){ | |
translate([0,0,y*(heigth+bump)-support_bridge-bump]){ | |
//support_bridge | |
linear_extrude(support_bridge){ | |
translate([29.55,67.5]){ | |
difference(){ | |
union(){ | |
circle(4); | |
translate([0,-4,0]){ | |
square(8, center=true); | |
} | |
} | |
translate([0,-24]){ | |
rotate(73){ | |
square(20); | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
module support_side(){ | |
color("#00FFFF"){ | |
//supports | |
linear_extrude(2*bump){ | |
translate([93.05,13.9]){ | |
rotate(-3){ | |
difference(){ | |
difference(){ | |
union(){ | |
circle(10); | |
} | |
translate([-17.7,-25]){ | |
rotate(27){ | |
square(24); | |
} | |
} | |
} | |
circle(4-support_thickness); | |
translate([-4+support_thickness,0,0]){ | |
square(8-2*support_thickness, center=true); | |
} | |
} | |
} | |
} | |
} | |
//union(){ | |
linear_extrude((num-1)*(heigth+bump)){ | |
translate([93.05,13.9]){ | |
rotate(-3){ | |
difference(){ | |
difference(){ | |
union(){ | |
circle(4); | |
translate([-4,0,0]){ | |
square(8, center=true); | |
} | |
} | |
translate([-18.3,-14.9]){ | |
rotate(25){ | |
square(20); | |
} | |
} | |
} | |
circle(4-support_thickness); | |
translate([-4+support_thickness,0,0]){ | |
square(8-2*support_thickness, center=true); | |
} | |
} | |
} | |
} | |
} | |
for(y = [1:num-1]){ | |
translate([0,0,y*(heigth+bump)-support_bridge-bump]){ | |
//support_bridge | |
linear_extrude(support_bridge){ | |
translate([93.05,13.9]){ | |
rotate(-3){ | |
difference(){ | |
union(){ | |
circle(4); | |
translate([-4,0,0]){ | |
square(8, center=true); | |
} | |
} | |
translate([-18.3,-14.4]){ | |
rotate(27){ | |
square(20); | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
module cylinder_supports() { | |
for(y = [0:len(support_locs)-1]){ | |
translate([support_locs[y][0],support_locs[y][1]]){ | |
color("#FFAA00"){ | |
rotate(support_locs[y][2]){ | |
linear_extrude(num*heigth+(num-1)*bump+extend_for_testing){ | |
square(support_size, center=true); | |
} | |
} | |
} | |
} | |
} | |
} | |
//See https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Tips_and_Tricks#Create_a_mirrored_object_while_retaining_the_original | |
module mirror_copy(v = [1, 0, 0]) { | |
children(); | |
mirror(v) children(); | |
} |
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