* six magnetic ball studs from Haydn Huntley: http://www.kosselplus.com/ *6 M3 Nyloc nuts for the ball studs. * PolyStroooder Tri Hotend: http://polystroooder.com/ * LED ring with outer diameter 60mm and inner diameter of 50mm, can be found cheap on eBay or AliExpress amongst other. * Up to three 5015 centrifugal fans similar to these: http://www.ebay.com/itm/6-pcs-Brushless-DC-Cooling-Blower-Fan-5015B-12V-50x50x15mm-2-Wires/141324730524 * an M3x25 socket head cap screw and M3 nut for each fan. * some M3x10mm socket head cap screws and M3 nuts, if you use the groove mount. (I used M3x8mm, because that's what I had at hand. It works too with a bit of ingenuity)