Protogen M16 mk3 V1.2.2

Protogen M16 mk3 V1.2.1

UPD (10/15/2022): Removal of sales bans. Do whatever you want, change models, make your own versions, make, sell to anyone as much as you want.

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The model is almost completely ready for production. Changes:
1 - The holes in the base have been changed to use M3 embedded brass nuts with a length of 6mm and an outer diameter of 4mm, I think it will not be difficult to find such, but the build quality will increase significantly, a picture of the nut is attached. Assembly requires 12mm M3 countersunk head screws.
2 - The base earpiece tip has been redesigned for easier installation with almost no post-processing. Removed extra holes in the upper part of the base.
3 - Improved front frame, removed excess plastic, added air vent for 40/10 or 50/10 mm fan. Changed fastenings for M3 screws.
4 - Added new inserts to the earphone to use the backlight with a d