Phaetus DragonFly BMS for EVA v.3 carriage

This is a DragonFly BMS mount (from Phaetus hotend) for EVA v.3, include nuts and inserts versions.

NOW for the 6 and 7 fins version, from Phaetus DragonFly BMS.  

UPDATES:
· 2023/05/25 The 7 fins version is about 2mm longer, so I made that version as well.
  IMPORTANT: I don't have a 7-fin unit, then I need your feedback