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chimera_heatsink_size = [30,18,30];
chimera_fins_h = 6;
chimera_fin_thickness = 1.75;
chimera_fins_space = 2.5;
chimera_fins_n = 8;
chimera_nozzles_apart = 18;
chimera_nozzles_from_back = 6;
chimera_heatsink_to_heater=2.1;
e3d_heater_size = [16,20,11.5];
e3d_heater_nozzle_from_front = 4.5;
chimera_assembly_height = 49.5;
chimera_mounting_holes_from_top = [
[0, 20], [-4.5,10], [4.5,10]
];
chimera_heatbreak_screws_h = [ 3, 11 ];
chimera_heatbreak_screws_d = 3; /* TODO: check */
e3d_nozzle_height = 12.5;
e3d_nozzle_0_4 = [ 1, 0.8, 1.5, 10.5 ];
module e3d_nozzle(nozzle = e3d_nozzle_0_4) {
h = 12.5;
cylinder(d1=nozzle[0],d2=nozzle[0]+2*(h-nozzle[3])/tan(180-125),h=h-nozzle[3]);
translate([0,0,h-nozzle[3]])
cylinder(r=7/2/cos(3),h=e3d_nozzle_0_4[3]-7.5,$fn=6);
translate([0,0,h-7.5]) cylinder(d=5,h=7.5);
translate([0,0,h-6]) cylinder(d=6,h=6);
}
module e3d_heater() {
translate([-e3d_heater_size[0]/2,-e3d_heater_nozzle_from_front,0])
cube(size=e3d_heater_size);
}
module chimera_heatsink(grub_show=false) {
difference() {
translate([-chimera_heatsink_size[0]/2,-chimera_nozzles_from_back,0])
cube(size=chimera_heatsink_size);
for(h=chimera_mounting_holes_from_top) {
translate([h[0],0,chimera_heatsink_size[2]-h[1]])
rotate([-90,0,0])
translate([0,0,-1-chimera_nozzles_from_back])
cylinder(d=3,h=chimera_heatsink_size[1]+2);
}
}
for(s=[-1,1]) // collets
translate([s*chimera_nozzles_apart/2,0,chimera_heatsink_size[2]])
cylinder(h=1,d=7);
if(grub_show) {
for(s=[-1,1]) for(z=chimera_heatbreak_screws_h)
translate([s*chimera_nozzles_apart/2,0,z])
rotate([90,0,0])
cylinder(d=chimera_heatbreak_screws_d,h=chimera_heatsink_size[2]*3,center=true);
}
}
module chimera_assembly(nozzle=e3d_nozzle_0_4,heatersinline=false,grub_show=false) {
translate([0,0,chimera_assembly_height-chimera_heatsink_size[2]])
chimera_heatsink(grub_show=false);
for(s=[-1,1]) translate([s*chimera_nozzles_apart/2,0,0]) {
e3d_nozzle(nozzle=nozzle);
translate([0,0,e3d_nozzle_height])
cylinder(d=7,h=chimera_assembly_height-e3d_nozzle_height); // heatbreak
rotate([0,0, heatersinline? s*-90 : (s+1)/2*180 ])
translate([0,0,6])
e3d_heater();
}
}
%chimera_assembly();
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