OpenSCAD Source Code: Kenmore Progressive Vacuum Cleaner Tool Adapters - tweaked Dust Brush adapter

Kenmore Wand Bushings.scad

// Kenmore vacuum cleaner nozzle adapters
// Ed Nisley KE4ZNU August 2016

// Layout options

Layout = "DustBrush";		// MaleFitting CoilWand FloorBrush CreviceTool ScrubbyTool LuxBrush DustBrush

//- Extrusion parameters must match reality!
//  Print with +1 shells and 3 solid layers

ThreadThick = 0.25;
ThreadWidth = 0.40;

HoleWindage = 0.2;

function IntegerMultiple(Size,Unit) = Unit * ceil(Size / Unit);

Protrusion = 0.1;           // make holes end cleanly

//----------------------
// Dimensions

ID1 = 0;												// for tapered tubes
ID2 = 1;
OD1 = 2;
OD2 = 3;
LENGTH = 4;

OEMTube = [35.0,35.0,41.7,40.5,30.0];					// main fitting tube
EndStop = [OEMTube[ID1],OEMTube[ID2],47.5,47.5,6.5];	// flange at end of main tube

FittingOAL = OEMTube[LENGTH] + EndStop[LENGTH];

$fn = 12*4;

//----------------------
// Useful routines

module PolyCyl(Dia,Height,ForceSides=0) {           // based on nophead's polyholes

Sides = (ForceSides != 0) ? ForceSides : (ceil(Dia) + 2);
FixDia = Dia / cos(180/Sides);
cylinder(r=(FixDia + HoleWindage)/2,h=Height,$fn=Sides);
}


//-------------------
// Male fitting on end of Kenmore tools
// This slides into the end of the handle or wand and latches firmly in place

module MaleFitting() {
	
Latch = [40,11.5,5.0];					// rectangle latch opening
EntryAngle = 45;						// latch entry ramp
EntrySides = 16;
EntryHeight = 15.0;						// lower edge on *inside* of fitting

KeyRadius = 1.0;
		
	translate([0,0,6.5])
		difference() {
			union() {
				cylinder(d1=OEMTube[OD1],d2=OEMTube[OD2],h=OEMTube[LENGTH]);			// main tube
				
				hull()																	// insertion guide
					for (i=[-(6.0/2 - KeyRadius),(6.0/2 - KeyRadius)], 
						j=[-(28.0/2 - KeyRadius),(28.0/2 - KeyRadius)], 
						k=[-(26.0/2 - KeyRadius),(26.0/2 - KeyRadius)])
						translate([(i - (OEMTube[ID1]/2 + OEMTube[OD1]/2)/2 + 6.0/2),j,(k + 26.0/2 - 1.0)])
							sphere(r=KeyRadius,$fn=8);
				
				translate([0,0,-EndStop[LENGTH]])								// wand tube butts against this
					cylinder(d=EndStop[OD1],h=EndStop[LENGTH] + Protrusion);
			}
			
			translate([0,0,-OEMTube[LENGTH]])									// main bore
				cylinder(d=OEMTube[ID1],h=2*OEMTube[LENGTH] + 2*Protrusion);
				
			translate([0,-11.5/2,23.0 - 5.0])									// latch opening
				cube(Latch);
				
			translate([OEMTube[ID1]/2 + EntryHeight/tan(90-EntryAngle),0,0])	// latch ramp
				translate([(Latch[1]/cos(180/EntrySides))*cos(EntryAngle)/2,0,(Latch[1]/cos(180/EntrySides))*sin(EntryAngle)/2])
					rotate([0,-EntryAngle,0])
						intersection() {
							rotate(180/EntrySides)
								PolyCyl(Latch[1],Latch[0],EntrySides);
							translate([-(2*Latch[0])/2,0,-Protrusion])
								cube(2*Latch[0],center=true);
						}
		}
}

//-------------------
// Refrigerator evaporator coil wand

module CoilWand() {
	
	union() {
		translate([0,0,50.0])
			rotate([180,0,0])
				difference() {
					cylinder(d1=EndStop[OD1],d2=42.0,h=50.0);
					translate([0,0,-Protrusion])
						cylinder(d1=35.0,d2=35.8,h=100);
				}
		translate([0,0,50.0 - Protrusion])
			MaleFitting();
	}
}


//-------------------
// Samsung floor brush

module FloorBrush() {
	
	union() {
		translate([0,0,60.0])
			rotate([180,0,0])
				difference() {
					union() {
						cylinder(d1=EndStop[OD1],d2=32.4,h=10.0);
						translate([0,0,10.0 - Protrusion])
							cylinder(d1=32.4,d2=30.7,h=50.0 + Protrusion);
					}
					translate([0,0,-Protrusion])
						cylinder(d1=28.0,d2=24.0,h=100);
				}
		translate([0,0,60.0 - Protrusion])
			MaleFitting();
	}
}


//-------------------
// Crevice tool

module CreviceTool() {
	
	union() {
		translate([0,0,60.0])
			rotate([180,0,0])
				difference() {
					union() {
						cylinder(d1=EndStop[OD1],d2=32.0,h=10.0);
						translate([0,0,10.0 - Protrusion])
							cylinder(d1=32.0,d2=30.4,h=50.0 + Protrusion);
					}
					translate([0,0,-Protrusion])
						cylinder(d1=28.0,d2=24.0,h=100);
				}
		translate([0,0,60.0 - Protrusion])
			MaleFitting();
	}
}

//-------------------
// Mystery brush

module ScrubbyTool() {
	
	union() {
		translate([0,0,60.0])
			rotate([180,0,0])
				difference() {
					union() {
						cylinder(d1=EndStop[OD1],d2=31.8,h=10.0);
						translate([0,0,10.0 - Protrusion])
							cylinder(d1=31.8,d2=31.0,h=50.0 + Protrusion);
					}
					translate([0,0,-Protrusion])
						cylinder(d1=26.0,d2=24.0,h=100);
				}
		translate([0,0,60.0 - Protrusion])
			MaleFitting();
	}
}

//-------------------
// eBay horsehair dusting brush

module DustBrush() {
	
	union() {
		translate([0,0,40.0])
			rotate([180,0,0])
				difference() {
					union() {
						cylinder(d1=EndStop[OD1],d2=31.8,h=10.0);
						translate([0,0,10.0 - Protrusion])
							cylinder(d1=31.6,d2=31.8,h=30.0 + Protrusion);
					}
					translate([0,0,-Protrusion])
						cylinder(d1=26.0,d2=24.0,h=100);
				}
		translate([0,0,40.0 - Protrusion])
			MaleFitting();
	}
}


//-------------------
// Electrolux brush ball

module LuxBrush() {
	
	union() {
		translate([0,0,30.0])
			rotate([180,0,0])
				difference() {
					union() {
						cylinder(d1=EndStop[OD1],d2=30.8,h=10.0);
						translate([0,0,10.0 - Protrusion])
							cylinder(d1=30.8,d2=30.0,h=20.0 + Protrusion);
					}
					translate([0,0,-Protrusion])
						cylinder(d1=25.0,d2=23.0,h=30 + 2*Protrusion);
				}
		translate([0,0,30.0 - Protrusion])
			MaleFitting();
	}
}



//----------------------
// Build it!

if (Layout == "MaleFitting")
	MaleFitting();

if (Layout == "CoilWand")
	CoilWand();

if (Layout == "FloorBrush")
	FloorBrush();

if (Layout == "CreviceTool")
	CreviceTool();

if (Layout == "DustBrush")
	DustBrush();

if (Layout == "ScrubbyTool")
	ScrubbyTool();

if (Layout == "LuxBrush")
	LuxBrush();

More detail on my blog at http://wp.me/poZKh-65l