DiiiCooler for Wanhao Duplicator i3 / Maker Select

The DiiiCooler is a cooler that is to be mounted around the hotend of the Wanhao Duplicator i3.
It provides a 360 degree field of cooling around the hotend for the part being printed.

[RECOMMENDED RADIAL FANS]
Duplicator i3 V1, V2, V2.1 (12V): <a href="https://www.banggood.com/3D-Printer-12V-DC-50mm-Blow-Radial-Cooling-Fan-p-980653.html?warehouse=CN&ID=0&p=DZ1112667138201407XF" rel="nofollow">https://www.banggood.com/3D-Printer-12V-DC-50mm-Blow-Radial-Cooling-Fan-p-980653.html</a>
Duplicator i3 PLUS (24V): <a href="https://www.banggood.com/custlink/vKvEsY2STm" rel="nofollow">https://www.banggood.com/Anet-DC24V-5015-50x50x15mm-2-pin-Exhaust-Blower-Cooling-Fan-p-1530026.html</a>
(Please check the polarity before plugging in the new fan, your own risk...)

Print this item without support; in ABS, PET-G or other filaments that can stand a bit of heat.
(PLA has worked when testing the prototypes, but use it at your own risk.)
Print the DiiiCooler with the flat bottom down against the bed.

[CHOOSING THE RIGHT DIIICOOLER]
V1.0 - DiiiCooler_Rev3-21.STL or DiiiCooler_SHORT_Rev3-21.STL
V2.0 - DiiiCooler_Rev3-21.STL or DiiiCooler_SHORT_Rev3-21.STL
V2.1 - DiiiCooler_Rev3-21-V2-1_Beta3.STL
PLUS - DiiiCooler_Rev3-21-V2-1_Beta3.STL

[ATTENTION V2.1 OWNERS]
There has been an unannounced change in the bracket for the cooler but there is a way to know which cooler you should print, check the mounting hole distance below:
30.8 mm: Choose V2.1 Beta 2 or Beta 3 (Elongated…