//**************************************************************** //* Name : Lamp Stem * //* Author : Robert Joseph Korn * //* Notice : Copyright (c) 2016 Open Valley Consulting Corp * //* : All Rights Reserved * //* Date : 4/16/16 * //* Version : 1.0 * //* Notes : * //**************************************************************** $fn=50; difference () { union(){ cylinder(d=24, h=4); translate([0,0,4]) cylinder(d1=24, d2=7, h=2); translate([0,0,6]) cylinder(d=7, h=12); } union(){ cylinder(d=5, h=18); translate([0,0,-10]) sphere(d=30); } }