One Up / Two Up Slim Bowden X Carriage

Since bowden systems don't have the motor on the carriage, I thought it would be a good idea to make it slimmer for extra x-axis distance.

NOTE: X AXIS WILL HAVE TO BE INVERTED TO USE THIS.
I decided to put the belt tensioner on the bottom so I can put the mounting holes on top for more z axis travel. I included the source file for this part if anyone wants to change that.

Known Issue: The fan support may bump into the bolt that holds the right x-carriage belt bearing. I will try t