Part Cooling fan

 https://www.youtube.com/watch?v=W_k70lKAHeg

part cooling fan, 3:34

https://www.youtube.com/watch?v=W9PPwdmT6G4&t=267s

part cooling fan 5:15

https://www.youtube.com/watch?v=VfYkGFNamNI

x2

===

https://www.reddit.com/r/3Dprinting/comments/hpl4cu/could_i_hack_a_different_nozzle_on/

hacking nozzle heating block

https://fr.banggood.com/Easythreed-X4-Upgraded-Desktop-Mini-3D-Printer-Kit-150+150+150mm-Printing-Size-with-Heatbed-p-1677370.html?ID=47184&cur_warehouse=CN

free shipping  150 x 150 x150  w heatbed

https://www.banggood.com/fr/Artillery-All-in-one-Single-Extruder-Kit-Replacement-Extrusion-Kit-fits-Genius-for-3D-Printer-p-1718902.html?rmmds=detail-left-hotproducts__9&cur_warehouse=CN

heating block and direct extruder

Easythreed® X3 Imprimante 3D de bureau MIni 150 * 150 * 150 mm Taille d'impression avec foyer - US Plug

https://cart.taobao.com/add_cart_succeed.htm?_input_charset=gb18030&spm=2013.1.20140002.d2.undefined

tent