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CoreXY Ender 3

Converting old Ender 3 to coreXY printer.

TanguyTanguy
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8 comments
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34 likes
  • Description
  • Details
  • Files 5
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  • Components 7
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  • Logs 30
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  • Instructions 0
  • Discussion 8
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Team (2)

  • TanguyTanguy
  • BarzarBarzar

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ongoing project
ender 3d printer corexy convert

This project was created on 07/06/2022 and last updated 4 months ago.

Description

I love my Ender 3, but it's so 2018...
In this build i will try to convert it to a coreXY printer and add Klipper to it.

Notes: my Ender 3 was not a "stock Ender" i had done few modifications on it
- Dual Z upgrade.
- Direct drive extruder
- Board remplacement by a SKR 1.3 with TMC driver.

However, i think this build can work without that.

Files

BOM_Linear_Rails.txt

plain - 960.00 bytes - 04/17/2023 at 20:26

Download

Marlin-2.1.2_for_Ender_CoreXY.zip

This is Marlin 2.1.2 configured for the Linear Rail Version. It has some quirks and features so I strongly advice reading the Readme and skipping through the Code yourself. Have fun!

x-zip-compressed - 9.42 MB - 02/13/2023 at 15:28

Download

Ender_Core_XY_Linearrails.step

Version that uses linear rails for the XY-Gantry. All parts that are modified from the original version are yellow and dark green. You will need 3x 350mm Mgn12h, M3,M4,M5 bolts, 370mm 2020 and 2 Motherboard standoffs that are used to mount the hotend. If you have questions regarding the conversion i.e. the firmware, don't hesitate to ask!

step - 22.85 MB - 01/27/2023 at 19:42

Download

Ender_CXY_V01_BOM.txt

plain - 917.00 bytes - 08/30/2022 at 09:23

Download

Ender_CXY_V01.zip

Full STEP export of the V0.1 assembly.

x-zip-compressed - 12.56 MB - 08/30/2022 at 09:17

Download

Components

  • 2 × 4 wheels Slider for 20x20 vslot https://www.amazon.fr/gp/product/B08R6W9GLZ/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
  • 2 × vslot 20x20 400mm https://www.systeal.com/fr/profiles-aluminium-6-mm/1543-profile-aluminium-v-slot-20x40-fente-6-mm-anodise-noir.html
  • 2 × vslot 20x40 430mm https://www.systeal.com/fr/profiles-aluminium-6-mm/1543-profile-aluminium-v-slot-20x40-fente-6-mm-anodise-noir.html
  • 2 × vslot 20x20 370mm https://www.systeal.com/fr/profiles-aluminium-6-mm/1469-profile-aluminium-v-slot-20x20-fente-6-mm-anodise-noir.html
  • 20 × pulley GT2 https://www.amazon.fr/gp/product/B07RV2T54M/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

View all 7 components

Project Logs
Collapse

  • Homing Ender CoreXY

    Tanguy • 02/10/2023 at 17:54 • 0 comments

  • Linear rails update

    Tanguy • 01/30/2023 at 14:08 • 0 comments

    Thanks to @Barzar who did a really great job working on the v0.2 with linear rails !


  • Got it !

    Tanguy • 09/11/2022 at 13:43 • 0 comments


  • Buying 3x MGN12H, 310mm linear rail for the V0.2

    Tanguy • 08/30/2022 at 09:25 • 0 comments

    https://fr.aliexpress.com/item/1005001549115363.html?spm=a2g0o.order_list.0.0.2dd15e5b85TUau&gatewayAdapt=glo2fra


  • V0.1 release and V0.2

    Tanguy • 08/27/2022 at 16:32 • 0 comments

    I am gonna release the current version (V0.1) as a single .step file with the full assembly inside.

    As you can see in the videos, the V0.1 prints quite well, but it lacks a lot of little things to make it clean (cable management, proper endstop emplacement etc..)

    But I am not gonna do that in this version, I want to make it better with linear rail on X/Y, that will be the V0.2

  • Working on all the little things that need to be done to clean this up

    Tanguy • 08/02/2022 at 15:39 • 0 comments

    SKR and rpi box :


    Endstop fixation :

    Webcam support :

  • Benchy is here !

    Tanguy • 07/29/2022 at 09:56 • 0 comments

  • It's alive ! (still a lot to do, but it move and extrude)

    Tanguy • 07/27/2022 at 16:58 • 0 comments

  • We need longer wires

    Tanguy • 07/27/2022 at 16:55 • 0 comments


  • Fight with klipper to enable uart on TMC2208

    Tanguy • 07/20/2022 at 14:47 • 0 comments

View all 30 project logs

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David wrote 05/15/2023 at 21:28 • point

Hey!

I'm currently ordering all parts for the conversion, and saw you wrote in the linear rail BOM 350mm rails, but wrote that you ordered 310mm. Which one is it? Asking mainly because I (and probably many others that modded their ender3 with rails) have 310mm rails and it would be a shame to buy another set if it's just a typo.

  Are you sure? yes | no

fedorchenkovasiliy wrote 05/07/2023 at 07:08 • point

Hello! Is there a chance you could download the models for the 3d printed components in the .stl format? I am planning a conversion using roller bearings for XY.

Perhaps, you would be interested to make your project page on the thingiverse so that more people see it.

Thank you!

  Are you sure? yes | no

logans1421 wrote 01/25/2023 at 10:40 • point

I’ve been working on converting my Ender and I’ve got all the mechanical stuff working but I’m wondering what you did for the firmware. I’ve been able to get one test print off but I’m getting prints at an angle with x and y dimensions that are totally off. If you could give me any information that would be great!

  Are you sure? yes | no

Barzar wrote 01/26/2023 at 17:50 • point

Is your printer moving right when you move it manually?
What steps/mm value are you using on your x and y?

  Are you sure? yes | no

Barzar wrote 11/23/2022 at 11:45 • point

Awesome project. I just got my ender 3 printing perfectly again but this looks way too cool. Why did you choose too keep the direct drive and print realtively slowly for a corexy? What are you max print speeds on this maschine?

  Are you sure? yes | no

schwartz.blake wrote 09/04/2022 at 02:46 • point

Amazing Project! Where are you with print speed?

  Are you sure? yes | no

MakerIoT2020 wrote 07/28/2022 at 05:29 • point

This is quite an interesting and involved project. I recently decided to bite the bullet and buy a desktop CNC mill, as I need to cut and shape more than print. 3D printing is however on my list, and this may just give me some ideas on how to improve whatever 3D printer I do eventually get (I Was looking at Ender 3 myself, yes they are old, but so very hackable)...

Good luck with the rest of the project:)

  Are you sure? yes | no

Tanguy wrote 07/29/2022 at 09:47 • point

Yes, I think the Ender 3 is still a good first 3D printer, and used ones get really cheap. (I got this one for 100e)

Thanks !

  Are you sure? yes | no

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