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Thank you for your comment, that was the goal with this design, the first x-carriage mount I ever printed was complicated and bulky with large fan ducts on either side. I borrowed the compact layout from the Prusa i3 mk2 as it was really efficient. With regards to the fan duct I have not experienced any issues, my hot end seems to maintain a stable temperature, let me know if you experince any issues with the fan duct and ill be happy to help :). Im always improving the fanduct to get optimal airflow. And feel free to make a remix. I'll get around to releasing the cad files soon.