Simple drill/spindle mount for Prusa X-carriage

This is a simple drill or spindle mount which fits onto a standard Prusa X carriage in place of an extruder/hotend (I use . It is made for tools that have a standard 43mm mounting neck. I use an old Minicraft MB510 mini drill (9-18V, 60W, 20000rpm), but since the 43mm collar is quite standard, I assume that the mount will fit many other tools as well (eg. from Proxxon or Dremel). Just make sure that your tool is not too heavy and that mount and x-carriage do not occlude any ventilation holes of