Labern's Dual Fan Shroud For Original and Olsson Heaters Block SetupsNEW, Have an I2k Shroud, It will set the shroud at the correct height when using the PTFE I2K insulator and the spring replacement found here: https://www.youmagine.com/designs/um2-spring-replacement-for-i2kDual Nozzle Shroud Found Here: https://www.youmagine.com/designs/um2-dual-nozzle-fan-shroudDisscussion about the fan shroud is found here: http://umforum.ultimaker.com/index.php?/topic/10554-um2-fan-shroud-replacement/?p=102188Please place comments in the discussionWill require good insulation from the heater block and not recommended for high temp prints as it could deform. Working on a metal design.Spacers are required to stop the hot end securing screws from hitting the shroud.Make sure your temps arn't to high so overhangs are clean and the fit is correct. Can be printed with no infill.Added an enclosed design for people with Heat Temp Error Issues. Thanks Duriel for your input on this.V3 increased nozzle hole side