Since I tested the Creality CR-30 Print Mill, I’ve wanted a 3D printer that could eject finished parts and continue through a print queue autonomously. In this video, I take you through how I converted my FLsun Super Racer delta 3D printer to do just that. Everything is free and open source. A separate video is provided to cover the step by step assembly.

Still some work to do to make it foolproof but as a proof of concept I’m very happy.

Thanks to Adam from Powerbelt3D for offering tips and advice in my design process. Thanks to my patrons for assisting with the list of part ejection capable printers.

Printables page for this project: https://www.printables.com/model/1748...

0:00 Introduction

0:40 Inspiration and existing designs
What the community wants video:    • Dear manufacturers, these are the 3D ...  
My CR-30 video:    • Creality CR-30 3DPrintMill belt 3D pr...  
45 degree belt machines
* Creality CR-30: https://www.creality.com/products/cre...
* Blackbelt 3D: https://blackbelt-3d.com/
* White Knight: https://www.thingiverse.com/thing:332...
* SainSmart INFI-20: https://www.sainsmart.com/products/sa...
* iFactory One / One Pro: https://ifactory3d.com/
* Powerbelt3D Zero (the company I got my belt from): https://powerbelt3d.com/product/power...
* Enderloop (Ender 3 belt conversion): https://www.thingiverse.com/thing:465...
* Belt 3D printer kit (Ender 3 and X1 conversion): https://belt3dprinterkit.com
Non angled belt machines
* Robot Factory y axis belt replacement: https://www.robotfactory.it/en/the-st...
* Infinity3D (can do 45 and 90 degrees): https://www.kickstarter.com/projects/...
* PrintShift for Prusa Mini: https://printshift3d.com/blog/printsh...
Push off ejection:
* Autodrop3D: https://www.autodrop3d.com
* Make Anything video:    • Automatic 3D Print Removal using G-Code  
* Quinly: https://shop.3dque.com/
Bed swap system
* Tom Sanladerer video:    • Fully automated 3D printing using REA...  

3:20 My design goals

4:08 How I designed this
OnShape Beams featurescript: https://cad.onshape.com/documents/e15...

5:40 Hardware required and BOM
Powerbelt3D custom belt: https://powerbelt3d.com/product/formu...

8:25 Assembly steps
Assembly video:

8:42 Firmware/software
Previous video on converting this printer to Klipper:    • How to convert to Klipper firmware: 3...  
Klipper manual stepper reference: https://www.klipper3d.org/Config_Refe...
My Klipper config for this machine: https://github.com/teachingtechYT/kli...
Continuous print Octoprint plugin: https://smartin015.github.io/continuo...

10:36 Belt installation and tensioning

11:47 First prints
Calibration cube: https://www.thingiverse.com/thing:127...
‘Geometry 2’ pattern: https://www.printables.com/model/1747...
Emergency & Sports Whistle: https://www.thingiverse.com/thing:313...

13:07 Evaluation


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