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include <stuff.scad>;
volcano_l = 20; // length (along Y axis)
volcano_w = 11.5; // width (along X axis)
volcano_h = 20; // height (guess!)
volcano_n_offset_w = 4.5; // nozzle offset from the left edge along width axis
volcano_n_offset_l = volcano_l-15.5; // nozzle offset from the front along length axis
volcano_c_offset_w = 4; // cartridge offset from the left edge along width axis
volcano_c_offset_l = volcano_l-8; // cartridge offset from the front along the length axis
volcano_c_d = 6.1; // cartridge diameter
volcano_n_d = 7/cos(30); // nozzle (outermost) diameter
volcano_c_t = 2; // cartridge thickness (of the protruding part)
volcano_hs_h = [volcano_h-14.5,volcano_h-5.5]; // the heater screws offsets from the bottom of the heater
volcano_hs_d = 5.7; // and their diameter
volcano_hs_t = 1.5; // and thickness
volcano_hs_offset_l = volcano_l-2.5; // heater screw offset from the front along the length axis
volcano_ts_d = 7; // Thermistor screw diameter
volcano_ts_t = 2.6; // Thermistor screw thickness
volcano_ts_h = volcano_h-12; // Thermistor screw offset from the bottom of the heater
volcano_ts_offset_l = volcano_l-11.5; // Thermistor screw offset from the front along the length axis
volcano_cutoff_t = 1.5; // Cutoff on the top thickness (depth)
volcano_cutoff_l = 8; // Length of the cutoff (the cutoff is on the back)
sv=volcano_c_t+ss; // shell vertical
sh=ss; // shell horizontal
the_w = volcano_w+volcano_ts_t+volcano_hs_t+2*sh;
the_l = volcano_l+2*sh;
the_h = volcano_h+sv;
use <bubbles.scad>;
module heatershape() {
difference() {
union() { // main body and protrusion
cube(size=[volcano_w,volcano_l,volcano_h]);
translate([0,0,volcano_h]) {
pt = [volcano_w,volcano_l-volcano_cutoff_l,protrude];
translate([0,0,-1])
cube(size=[pt[0],pt[1],pt[2]+1]);
hull() {
cube(size=pt);
translate([-volcano_hs_t-sh,0,max(volcano_ts_t,volcano_hs_t)+sh])
cube(size=[the_w,pt[1],pt[2]-max(volcano_ts_t,volcano_hs_t)-sh]);
translate([0,-sh,sh])
cube(size=[pt[0],pt[1]+2*sh,pt[2]-sh]);
}
}
}
// cutoff on top
translate([-1,volcano_l-volcano_cutoff_l+volcano_cutoff_t,volcano_h-volcano_cutoff_t]) {
cube(size=[volcano_w+2,volcano_cutoff_l-volcano_cutoff_t+1,volcano_cutoff_t+1]);
translate([0,0,volcano_cutoff_t])
rotate([0,90,0])
cylinder(r=volcano_cutoff_t,h=volcano_w+2,$fn=24);
}
// screwhole on top of protrusion
translate([volcano_w/2,(volcano_l-volcano_cutoff_l)/2,volcano_h+protrude+2])
mirror([0,0,1])
cylinder(d=3,h=protrude+1);
}
// nozzle
translate([volcano_n_offset_w,volcano_n_offset_l,-sv])
cylinder(d=volcano_n_d,h=sv+1,$fn=24);
// cartridge
translate([volcano_c_offset_w,volcano_c_offset_l,-volcano_c_t])
cylinder(d=volcano_c_d,h=volcano_c_t+1,$fn=24);
// heatblock screws
for(h=volcano_hs_h)
translate([1,volcano_hs_offset_l,h])
rotate([0,-90,0])
cylinder(d=volcano_hs_d,h=volcano_hs_t+1,$fn=24);
// thermistor screw
translate([volcano_w-1,volcano_ts_offset_l,volcano_ts_h])
rotate([0,90,0])
cylinder(d=volcano_ts_d,h=volcano_ts_t+1,$fn=24);
bubbles(size=[volcano_w,sh/2,volcano_h]);
translate([0,volcano_l,0]) bubbles(size=[volcano_w,sh/2,volcano_h-volcano_cutoff_t]);
for(x=[0,volcano_w]) translate([x,0,0])
rotate([0,0,90]) bubbles(size=[volcano_l,(volcano_hs_t+sh)/2,volcano_h-volcano_cutoff_t]);
rotate([-90,0,0])
bubbles(size=[volcano_w,sv/2,volcano_l]);
}
module silicone() {
translate([-sh-volcano_hs_t,-sh,-sv])
cube(size=[the_w,the_l,the_h-epsilon]);
}
use <mold.scad>;
vol_ = the_w*the_l*the_h
- volcano_w*volcano_l*volcano_h // heater block
+ volcano_w*volcano_cutoff_t*volcano_cutoff_l // cutoff
- PI*pow(volcano_n_d/2,2)*sv // nozzle
- PI*pow(volcano_c_d/2,2)*volcano_c_t // cartridge
- PI*pow(volcano_ts_d/2,2)*volcano_ts_t // thermistor screw
- PI*pow(volcano_hs_d/2,2)*volcano_hs_t *2 // heater screws
;
vol = vol_*1.2;
echo("volume",vol);
use <view.scad>;
view(view="*",volume=vol) {
mold(size=[the_w,the_l,the_h],s=ms,v_protrude=protrude,introffset=(volcano_l-volcano_cutoff_l)*3/4);
translate([ms+volcano_hs_t+sh,ms+sh,ms+sv]) heatershape();
translate([ms+epsilon,ms+epsilon,ms+epsilon]) cube(size=[the_w-2*epsilon,the_l-2*epsilon,the_h]);
}
/* vim:set ai sw=1: */
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