From d52fcc750db4bcf2a92017df239170b7ec1de4e8 Mon Sep 17 00:00:00 2001 From: Michael Krelin Date: Sun, 26 Jun 2016 21:15:35 +0000 Subject: an attempt on e3dv6 --- diff --git a/e3dv6.scad b/e3dv6.scad new file mode 100644 index 0000000..902eb52 --- a/dev/null +++ b/e3dv6.scad @@ -0,0 +1,99 @@ +include ; + +hb_w = 16; // width (along X axis) +hb_l = 20; // length (along Y axis) +hb_h = 11.5; // height (guess!) +hb_d = 6; // heatbreak diameter +n_offset_w = 8; // nozzle offset from the left +n_offset_l = 4.5; // nozzle offset from the front +n_d = 7/cos(30); // nozzle (outermost) diameter +hs_offset_w = 8; // heater screw offset from the left +hs_offset_l = 17.5; // heater screw offset from the front +hs_d = 5.7; // heater screw diameter +hs_t = 1.5; // heater screw head thickness +ts_offset_l = 3.5; // thermistor screw offset from the front +ts_offset_h = 4.8; // thermistor screw offset from the bottom +ts_d = 7; // thermistor screw diameter +ts_t = 2.6; // thermistor screw head thickness +c_offset_l = 11.5; // cartrdige offset from the from +c_offset_h = 4; // cartridge offset from the bottom +c_d = 6.1; // cartrdige diameter +c_t = 1.7; // cartridge protrusion length (thickness) +c_tw = 4.3; // thickness of the other cartridge end with wires + +sv=hs_t+ss; + +the_w = ss + max(c_tw,ts_t)+hb_w+c_t + ss; +the_l = ss + hb_l + ss; +the_h = sv + hb_h + ss; + +use ; +module heatershape(bubbled=true) { + m = n_offset_l-hb_d/2; + module topholes(h) { + hull() { + for(sx=[-1,1]) for(sy=[-1,1]) + translate([hb_w/2+sx*(hb_w/2-m-hb_d/2),hb_l/2+sy*(hb_l/2-m-hb_d/2),0]) + cylinder(d=hb_d,h=h,$fn=24); + } + translate([-c_tw,c_offset_l-c_d/2,0]) + cube(size=[hb_w/2+c_tw,c_d,h]); + } + // main body and protrusion + // body + cube(size=[hb_w,hb_l,hb_h]); + // protrusion + translate([0,0,hb_h]) { + // irrelevant, because we print upside-down: mo = m+max(c_t,c_tw)+ss; th=3*ss; + mo = protrude/4; th = protrude/2; + translate([0,0,-1]) topholes(h=ss+protrude); + translate([0,0,ss+protrude-mo-th]) hull() { + topholes(h=layer_height); + translate([-c_tw-ss,-ss,mo]) + cube(size=[the_w,the_l,th]); + } + } + // nozzle + translate([n_offset_w,n_offset_l,1]) mirror([0,0,1]) cylinder(d=n_d,h=sv+1,$fn=24); + // heater screw + translate([hs_offset_w,hs_offset_l,1]) mirror([0,0,1]) cylinder(d=hs_d,h=hs_t+1,$fn=24); + // thermistor screw + translate([1,ts_offset_l,ts_offset_h]) rotate([0,-90,0]) cylinder(d=ts_d,h=ts_t+1,$fn=24); + // cartridge on the right + translate([hb_w-1,c_offset_l,c_offset_h]) rotate([0,90,0]) cylinder(d=c_d,h=c_t+1,$fn=24); + // cartrdige on the left + translate([1,c_offset_l,c_offset_h]) rotate([0,-90,0]) cylinder(d=c_d,h=c_tw+1,$fn=24); + translate([-c_tw,c_offset_l-c_d/2,c_offset_h]) cube(size=[c_tw+1,c_d,hb_h-c_offset_h]); + + if(bubbled) { + for(y=[0,hb_l]) translate([0,y,0]) bubbles(size=[hb_w,ss/2,hb_h]); + rotate([0,0,90]) bubbles(size=[hb_l,(c_tw+ss)/2,hb_h],d=(c_tw+ss)/2,s=1.1*(c_tw+ss)/2); + translate([hb_w,0,0]) rotate([0,0,90]) bubbles(size=[hb_l,(c_t+ss)/2,hb_h],d=(c_t+ss),s=1.1*(c_t+ss)); + rotate([-90,0,0]) bubbles(size=[hb_w,sv/2,hb_l]); + } +} + +function vc(d,h) = PI*pow(d/2,2)*h; // cylinder volume + +vol_ = the_w*the_l*the_h + - hb_w*hb_l*hb_h // heater block + - vc(d=n_d,h=sv) // nozzle + - vc(d=hs_d,h=hs_t) // heater screw + - vc(d=ts_d,h=ts_t) // thermistor_screw + - vc(d=c_d,h=c_t) // cartridge on the right + - vc(d=c_d,h=c_tw)/2 - c_d*c_tw*(hb_h-c_offset_h) // cartridge on the left +; +vol = vol_*1.2; +echo("volume",vol); + +use ; +use ; + +view="*"; + +view(view=view,volume=vol) { + mold(size=[the_w,the_l,the_h],s=ms,v_protrude=protrude,introffset=ss+c_offset_l); + translate([ms+c_tw+ss,ms+ss,ms+sv]) heatershape(); + translate([ms+epsilon,ms+epsilon,ms+epsilon]) cube(size=[the_w-2*epsilon,the_l-2*epsilon,the_h-2*epsilon]); +} +/* vim:set ai sw=1: */ -- cgit v0.9.0.2