Lower profile, slightly shorter, improved interior airflow profile, for e3d v6, etc. 1.02 has the hole removed on the internal side, and slightly more improved airflow. 1.1 is the same as 1.02 with the bottom cut off even more.

Print it. Ignore the same model from the user "boy." Of course I did not make a typo when registering. come on...

Attribution - Creative Commons