New slim extruder scad files

src/extruder-big-gear-slim.scad

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+// PRUSA iteration3
+// NEMA 17 extruder big gear
+// GNU GPL v3
+// Josef Průša <iam@josefprusa.cz> and contributors
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://prusamendel.org
+
+
+include <external_gear_script.scad>;
+
+module big_gear()
+{
+	translate ([0,0,0])
+	difference(){
+		union(){
+			gear (
+		number_of_teeth=36,
+		circular_pitch=335,
+		rim_thickness=5,
+		bore_diameter=4.8);
+		translate ([0,0,4]) cylinder(r1=24/2, r2=18/2, h=6, $fn=6);}
+		translate ([0,0,4]) cylinder(r=9/2, h=7, $fn=6);
+		for (f = [0 : 5]) // two iterations, z = -1, z = 1
+		{
+			rotate([0,0,f*60+30]) translate ([20,0,-0.1]) rotate([0,0,30]) cylinder(r=8, h=7, $fn=6);
+		}
+
+		translate ([0,0,-1]) cylinder(r=5/2, h=7, $fn=30);
+	}
+
+}
+big_gear();

src/extruder-block-slim-tight.scad

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+// PRUSA iteration3
+// NEMA 17 extruder body
+// GNU GPL v3
+// Michal Prusa tight edition
+// Josef Průša <iam@josefprusa.cz>, Kliment Yanev and contributors
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://prusamendel.org
+
+
+
+
+
+
+module nozzlemount(){
+	// Filament hole	
+	rotate([0,90,0]) cylinder(r=2, h=70, $fn=30);
+
+	// Tapered filament intake after the drive gear
+	translate([17,0,0]) rotate([0,90,0]) cylinder(r2=3,r1=2, h=10, $fn=30);
+
+	translate([-1,0,0]) rotate([0,90,0]) cylinder(r=8, h=4);
+
+	// Front nozzle mount hole
+	translate([-2,15,0]) rotate([0,90,0]) cylinder(r=2, h=70);
+
+	// Front nozzle mount hole NUT TRAP
+	translate([10-5,15,0]) rotate([0,90,0]) rotate([0,0,30]) cylinder(r=3.3, h=70,$fn=6);
+
+	// Back nozzle mount hole
+	translate([-2,-25,0]) rotate([0,90,0]) cylinder(r=2, h=70);
+
+	// Back nozzle mount hole NUT TRAP
+	translate([10-5,-25,0]) rotate([0,90,0]) rotate([0,0,30])cylinder(r=3.3, h=70,$fn=6);
+}
+
+motor_lenght = 30;
+
+
+// Calculated values
+
+	// Total height of the part is motor lenght plus front plate
+	total_height = motor_lenght + 4;
+
+difference(){
+union(){
+	// Base where drive gear is placed
+	translate([0,-1,0])cube([42,19,total_height]);
+
+	// Front plate (where motor mount is cutout)
+	translate([0-5,-42,0]) cube([75,42,4]);
+
+	// Base plate (nozzle is secured to it)
+	translate([-8.99-2,-25.5,0]) cube([9+2,63,total_height]);
+
+	// IDLER retainer
+	translate([-1,30,0]) cube([6, 7, total_height]);
+
+	// motor mount reinfocement
+	difference(){
+		union(){
+			translate([0,-15,0])  cube([25,10,15]);
+			//translate([0,-35,0])  cube([25,10,15]);
+		}
+		translate([50,-40,-3]) rotate([0,-70,0]) cube([12,42,90]);
+	}
+
+	// Body reinforcement
+	translate([0,2,0])difference(){
+		union(){
+			translate([14.45,-5,0])  cube([13,2,total_height]);
+
+		}
+		translate([39.7,-20,-3]) rotate([0,0,45]) cube([12,20,90]);
+		translate([13.5,-20,-3]) rotate([0,0,45]) cube([12,20,90]);
+	}
+
+
+
+
+		// Top bridge holding idler retainer form springing
+		translate([-1,15,total_height-1]) cube([6, 20, 1]);
+
+		// Bottom bridge holding idler retainer form springing
+		translate([-1,15,total_height-30]) cube([6, 20, 2]);
+}
+
+//Pretty corners
+
+	// Cutaway corner base plate (motor side)
+
+	translate([-15,-28.3,-0+(total_height-54)]) rotate([23,0,0]) cube([20,12,50]);
+	translate([-15,-75,-1])rotate([0,0,45])cube([40,40,60]);	
+	translate([0,-79,-1])rotate([0,0,45])cube([40,40,60]);
+	translate([0,-75.01,-1])cube([25,40,60]);
+
+	translate([10,-34,-10])rotate([0,0,20])cylinder(r=15, h=30);
+	translate([9.5,-34,-10])rotate([0,0,20])cylinder(r=15, h=30);
+
+	translate([34,-82,-1])rotate([0,0,45])cube([25,40,60]);
+
+	// Cutaway corner base plate (idler side)
+	translate([-32,12,-1])rotate([0,0,45])cube([40,40,60]);
+
+	// Cutaway corner base block (idler side)
+	translate([46.5,12,-1])rotate([0,0,45])cube([40,40,60]);
+
+	// Cutaway corner base block (motor side)
+	translate([55,-43,4.01])rotate([0,0,45])cube([40,40,60]);
+
+	// Cutaway corner idler retainer
+	translate([6,31,-1])rotate([0,0,45])cube([40,40,60]);
+
+// Pretty cutouts
+	// Idler retainer pretty cuts
+	translate([-10,27,-0+(total_height-54)]) rotate([-23,0,0]) cube([20,12,50]);
+	translate([0,27,7+(total_height-52)]) rotate([0,23,0]) cube([20,12,50]);
+
+	// Base plate pretty cut
+	//translate([-11,-66+5,-2+14]) rotate([-23,0,0]) cube([12,20,90]);
+
+	translate([75,-10,-10]) rotate([0,0,45]) cube([12,20,90]);
+	translate([60,-21,-10]) rotate([0,0,-45]) cube([12,20,90]);
+	translate([35,-45,-10]) rotate([0,0,-45]) cube([12,20,90]);
+
+
+
+	// Motor mount
+	translate([27.5,-1,0.5]){
+
+	//#translate([0,-42,4.1])cube([42,41.999,total_height-4]); // MOTOR Clearance!!
+
+	// Motor axis circle cut
+	translate([21,-21,-1]) cylinder(r=12, h=5, $fn=90);
+
+	// Motor axis circle cut
+	translate([21,-21,-10]) cylinder(r=2, h=50, $fn=90);
+
+
+	// Material and warp saving cut
+	translate([15,-45,-1]) cube([30,30,5]);
+
+	// Motor screw holes
+	translate([21+16,-21+15,-1]) cylinder(r=2, h=5);
+	translate([21-15,-21+15.5,-1]) cylinder(r=2, h=5);
+	translate([21-15,-21-15.9,-1]) cylinder(r=2, h=5);
+
+
+}
+
+
+
+
+// Shaft cutouts
+
+	// Main shaft cylinder cut
+	translate([21,8.1,7.5]) cylinder(r=6, h=total_height-9, $fn=50);
+	// Main shaft box cut
+	translate([-6+21,8,7.5]) cube([12,12,total_height-12]);
+
+	// Entry main shaft cylinder cut
+	translate([21,8.1,-1]) cylinder(r=6, h=3, $fn=50);
+	// Entry main shaft box cut
+	translate([-6+21,8,-50+7]) cube([12,12,50]);
+
+	// Front axis bearing cylinder cut
+	translate([21,8.1,1]) cylinder(r=8.1, h=6, $fn=50);
+	// Front axis bearing box cut
+	translate([13,8,1]) cube([16.2,20,6]);
+
+	// Back axis bearing cylinder cut
+	translate([21,8.1,-5+total_height-4]) cylinder(r=8.1, h=7.5, $fn=50);
+	// Back axis bearing box cut
+	translate([13,8,total_height-9]) cube([16.2,20,7.5]);
+
+
+
+// X-carriage mounting holes
+translate([-5,5,0]){
+	translate([0,0,-1])rotate([0,0,0])cylinder(r=3.3, h=total_height-10+1, $fn=15);
+	translate([0,0-24,-1])rotate([0,0,0])cylinder(r=3.3, h=total_height-10+1, $fn=15);
+	translate([0,0,total_height-22])rotate([0,0,0])cylinder(r=3.3/2, h=70, $fn=15);
+	translate([0,0-24,total_height-22])rotate([0,0,0])cylinder(r=3.3/2, h=70, $fn=15);
+}
+
+// Idler nuts, filament channel and 608 idler bearing cut
+translate([0,0,-(52-total_height)-2]){
+	// Nozzle mounting holes
+	translate([-10,2+8+4,52-12]) nozzlemount();
+	// Front idler screw nut trap
+	translate([32.5,7,52-12-7-3]) cube([15,3,5.7]);
+	// Back idler screw nut trap
+	translate([32.5,7,52-12-7-3+14]) cube([15,3,5.7]);
+
+	// Back top idler screw hole
+	translate([5+32,-1,52-12+7]) rotate([0,90,90]) rotate([0,0,30]) cylinder(r=2, h=40, $fn=6);
+	// Back bottom idler screw hole
+	translate([5+32,-1,52-12-7]) rotate([0,90,90]) rotate([0,0,30]) cylinder(r=2, h=40, $fn=6);
+	// Front top idler screw hole
+	translate([5+31,-1,52-12+7]) rotate([0,90,90]) rotate([0,0,30]) cylinder(r=2, h=40, $fn=6);
+	// Front bottom idler screw hole
+	translate([5+31,-1,52-12-7]) rotate([0,90,90]) rotate([0,0,30]) cylinder(r=2, h=40, $fn=6);
+
+	// Idler 608 bearing cutout
+	translate([21,24,35]) cylinder(r=12, h=17.5, $fn=90);
+
+
+}
+
+
+}
+
+
+
+
+
+include <external_gear_script.scad>;
+
+
+module small_gear()
+{
+	translate([0,0,0])
+	{
+
+		rotate([0,180,0])translate ([-48.5,-22,-10])
+		difference(){
+			union(){
+			rotate ([0,0,360*-1/20]) gear (number_of_teeth=8,
+			circular_pitch=335,rim_thickness=20,bore_diameter=0,hub_thickness=0);
+			cylinder(r=11, h=9);
+
+			translate([-21,-21,-15]) cube([42,42,20]);
+
+		}
+
+
+				translate ([0,0,-1]) cylinder(r=5/2, h=25, $fn=30);
+				translate ([0,0,4.5]) rotate([90,0,0]) cylinder(r=3/2, h=25, $fn=30);
+ 				translate ([-5.7/2,-7,-0.1]) cube([5.7,3,8]);
+
+		}
+	}
+
+}
+
+//small_gear();
+
+module big_gear()
+{
+	rotate([0,180,0])translate ([-21,8.1,2])rotate([0,0,17.2])
+	difference(){
+		union(){
+			gear (
+		number_of_teeth=36,
+		circular_pitch=335,
+		rim_thickness=5,
+		bore_diameter=4.8);
+		translate ([0,0,4]) cylinder(r1=24/2, r2=18/2, h=6, $fn=6);}
+		translate ([0,0,4]) cylinder(r=9/2, h=7, $fn=6);
+		for (f = [0 : 5]) // two iterations, z = -1, z = 1
+		{
+			rotate([0,0,f*60+30]) translate ([20,0,-0.1]) rotate([0,0,30]) cylinder(r=8, h=7, $fn=6);
+		}
+
+		translate ([0,0,-1]) cylinder(r=5/2, h=7, $fn=30);
+	}
+
+}
+//big_gear();
+