About this 3D model

this is a Design from scratch im using Joe's (3dmn) ender 3 mount to mount my hemera. but i wanted to us a 5015 that mounted to the top left bolt of the hemera. so i created this and with only two air duct it works great the xl is a little beefy but it is designed that way to protect you wires in case of failure i used extra hardware i had , may have to reoreint