EN:
This is Z-carriage mountable (on place of stock CR10 feeder on printers like Ender2pro, Ender3 and its succesors) housing for Technar3D commutation board.
The purpose of this housing is to keep simplicity of 3d-printer`s head maintenance while not increasing its weight and size.

This is 2-parts model, please do not forget to split it to parts/models in your slicer.

RU:
Это корпус для крепления [коммутационной платы от автора канала Уголок Технаря](https://technar3d.ru/plata-kommutacii-pechatajushhejj-golovy-3d-printera/) на каретку оси Z принтеров Ender2pro, Ender3 и аналогичных (на место крепления родного подающего механизма).
Назначение: сохранить простоту обслуживания головы 3Д-принтера, при этом не увеличивая ее вес и габариты

Файл содерджит две детали, пожалуйста не забудьте разделить на части/модели в слайсере.

Technar3D commutation board housing for Ender3-like printers

Commboard_enclosure_v1_1.STEP

For fixing 2GT (GT2) timing belt ends in carriage slits.
Use M2 screw or 2mm steel rod, or toothpick, to secure belt.
Print with tough material like PACF

2GT Timing belt clamp v2

clamp_v2_belt6.STEP

For fixing 2GT (GT2) timing belt ends in carriage slits.
Use 2x M2 screws and 2x M2 L3 heat inserts.
Print with tough material like PACF

2GT Timing belt clamp v1

clamp_belt10.STEP

This is cable holder to replace stock wobbly plate. You will need two M3x6 or M3x8 screws (there are two models for flat head and round head screws), one M3 nut and one short M3 brass heat insert nut (see photos for installation)

Flyingbear Ghost 6 head cable holder

Cable_holder_round_screw.STEP

Axial part - screw and nut - two versions:
1. Metric thread M30x2 
2. Cylindrical thread 30x3.5

Both could be printed without supports (there are 0.4 thin diaphragm that should be removed with 8mm drill bit)

Axial part could be used separately for rewinding spools (using screwdriver).
Stand-leg could be any "width" (achieved by using studs of needed length).

For Axis you will need:
* 1x M8 stud at least 160 mm length
* 1x M8 nut
* 1x M8 self-locking nut

For stand-leg you will need:
* 1x 608 bearing
* 2x M3x10mm screws (round or cup-head)
* 2x M3 brass heat inserts (for example M3x4.5x7)
* 2x M8 studs at least 110mm each
* 9x M8 nuts
* 2x or 3x M8 standard washers (OD 16mm) - to fix axis to bearing
* (optionally) 6x M8 washers - to fix studs to leg

Spool Holder

Spool_holder_screw_cyl30x3..5.STEP

Spool_Holder_Single_Leg.STEP

This model allows you compensate bed size losses due to some custom direct extruders. It is compatible with 6mm belt (uses stock F624ZZ bearings - just print two spacers included) or 9-10mm belt (add one simple 624ZZ). Also you will need  M5x40 hex bolt, self-locking M5 nut and one 4х25 shaft, as well as two pairs of M4 T-nut and M4x8 screw

Ender 2 Pro Y axis belt tensioner for extended travel

Holder_v2.1.stl

This is KP3S splitted electronics cover with customizable fan and feets mounts. It allows you to access main board with unscrew only 4 screws, use fans up to 80mm squared (by customizing fan mount in CAD), and mount custom feets - (STEP file of fan mount and feets included. You will need 4x M3 threaded brass heat inserts for feets, 4x M3 threaded brass heat inserts for fan mount, and corresponding amount of M3 screws (lenght depends on heat inserts lenght)

Kingroon KP3S Electronics cover

MainCover_front_v1.1.stl

MainCover_back_v1.1.stl

FanFrame4010.stl

FanFrame8010.stl

Feet_fr.stl

DummyFrame.step

Feets.step

Kingroon KP3S TFT24 Screen mount

mount_24.stl

This cover allows to install 9225 fan with lowering rpm by MP1584EN DCDC module (for mine was enough even 4V), thus reducing noise comparing with stock fan.
You will need two M3 brass threaded inserts and use stock screws to fix cover on PSU. Also I have used rubber PC fan fixtures (for fan mount), but you can use stock screws as well. In additional files you can find protective grid, but with it fan becomes a little louder

Kingroon KP3S v3 PSU cover

This cover allows to install 9225 fan with lowering rpm by MP1584EN DCDC module (for mine was enough even 4V).
Also you will need two M3 brass threaded inserts and use stock screws to fix cover on PSU. Also I have used rubber PC fan fixtures (for fan mount), but you can use stock screws as well.

Grid.stl

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