//**************************************************************** //* Name : Vacuum Hood * //* Author : Robert Joseph Korn * //* Notice : Copyright (c) 2016 Open Valley Consulting Corp * //* : All Rights Reserved * //* Date : 4/16/16 * //* Version : 1.0 * //* Notes : * //**************************************************************** $fn=140; difference() { hull(){ cylinder(h=20,d=40); translate([0,50,0]) cylinder(h=20,d=54); } union(){ hull(){ cylinder(h=18,d1=36,d2=20); translate([0,50,0]) cylinder(h=18,d1=50,d2=26.5); } cylinder(h=60,d=22); translate([16,0,18]) cylinder(h=20,d=3); translate([0,16,18]) cylinder(h=20,d=3); translate([-16,0,18]) cylinder(h=20,d=3); translate([0,-16,18]) cylinder(h=20,d=3); translate([0,50,0]) cylinder(h=60,d=26.5); translate([-31.25,50,15]) rotate([0,90,0]) cylinder(h=15,d=3); translate([16.25,50,15]) rotate([0,90,0]) cylinder(h=15,d=3); } }