Trianglelab BMG Extruder V2.0 Bowden Extruder Cloned Btech Dual Drive 3d Printer Very important notice！ Version upgrade notice: All BMG right-handed orders after September 19, 2020 will be upgraded to V2.0. The left-hand BMG still maintains the old model (no upgrade plan for the time being). Orders made before September 19, 2020 will receive the old version of BMG. Please check the relevant upgrade analysis for specific upgrade content. Benefit notice: To thank our core customers. Customers with orders between July 1, 2020 and September 17, 2020 can get BMG right-hand version V2.0 shell for free(shipping needs to be paid by themselves) Obtaining method: 1Create an unpaid order 2 tell me the order number 3I will delete the price and keep the shipping fee ▉Analysis of the highlights of the upgrade: 1: The position of the gear and the accuracy of all screw holes are calibrated. 2: Modified the new buckle, both sides of the V2.0 version of the BMG extruder support filament in and out (that is, it has no specified directionality, and you use either side of it as a material port) 3: The filament has an independent motion cabin inside the extruder. The white filament guide is made of a mixed material with lubricating properties. Its interior is very smooth, and it can withstand your crazy parameter settings. 4: A gap is reserved on the top to correspond to the threaded screw rod of the ender3 printer. 5: Brand new mixed materials, the shell is more rigid and tough. ▉What's in the box: BMG Extruder X 1 screws A package *Simple tool A package(Gift) *Stepper motor mounting bracket X 1(Gift:It is not guaranteed that all customers can use it. If it is not available,discard.) ◆ Please read here carefully! In a long period of use. There may be a drop in color. But this does not affect the sharpness of the gear. ▉Installation & Tests: Trianglelab BMG Extruder - Installation&Tests: https://www.youtube.com/watch?v=oRpGCAuaZ9M ▉Photo display: