mk3s+ extruder printed parts with inserts

I tried and really liked Retro-Repair's remix to prusa extruder parts, only problem is that it was lacking 3 parts to complete the whole extruder.

link for the rest of the parts: 

https://www.printables.com/model/214345-prusa-mk3s-extruder-m3-inserts-edition.

• this has been printed and tested and giving great results.
• great for tightening maniacs.
• the circular bevels in the back carriage are for washers.