Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
Mini CoreXY 3D Printer
by Bobbyofna, published
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This is my Mini CoreXY 3D printer that I designed to use a bunch of old parts I had laying around. This printer features...
---A compact design
---High quality Misumi linear motion parts
---RADDS/Due 32-bit electronics
---TMC2130 and RAPS 128 stepper motor drivers
------1/256th stepping rate
---0.9Deg XY Steppers for high resolution movement
---24v Power for smoother stepper movement
---Dual Z axis bed leveling
---BLTouch bed leveling
---Dual Lead screws for superior stability
---Titan Bowden Extruder
---Dual fan part cooling
---Laser cut acrylic electronics enclosure
This printer is still a work in progress. I have the printer mostly built and expect to finish building, configuring, and tuning it by the end of march. I have previously rebuilt one of my printers with parts I designed but this will be my first printer I designed and built from scratch. I expect it to print with extreme quality. I will update this page with my progress, and eventual videos of the printer printing upon completion. A complete parts list, a tutorial, and a marlin config are in the works as well. Most of the parts are finalized.
How I Designed This
All parts were designed in AutoCad 2018. As stated this printer was designed to mostly use parts I had laying around. But my goal was still to make it cheap, sturdy and very very high quality. Nylock nuts are used everywhere possible for minimal maintenance and sturdy composition. All parts were printed with high glass transition temperature plastics so the printer could be enclosed. Most of the pieces were printed in either CPE, Colorfab XT, or PCTG plastic. The feet however were printed with ninjaflex. Most parts were printed with 100% infill, or 40% for the corners. The printer will run marlin, as I believe it to be most compatible with the features used in this build.
Full Size Adjustments
Because this printer was designed to use old parts I had laying around, it does not print to the full size of the print bed as I was bottle necked by the length of my extrusions. However, none of the printed parts in this design need to be adjusted should anyone build my design and expand it to print a full 200mm^3. To print to this size you would need...
---8x 2020 Extrusions, 315mm Length
---4x 2020 Extrusions, 370mm Length
---2x 2020 Extrusions, 330mm Length
---2x 10mm Dia Smooth Rod, 308mm Length
---2x 8mm Dia Smooth Rod, 260mm Length
---4x 8mm Dia Smooth Rod, 380mm Length
---2x T8 Lead Screw, 358mm Length
Printer is done being built and wired! I am currently working on configuring marlin. Had a few minor issues with the printer. I put on the printer head backwards, the electronics enclosure isn't big enough for the wiring, and one of the acrylic pieces on the enclosure cracked. Other than that the printer is looking great! I am expecting great results! I also have plans to update some of the parts and build a V2 version of the printer in the near future, not too long after I am done this one. V2 will be scalable, more aesthetic, stronger, better, and easier to build so stay tuned!
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Mini CoreXY 3D Printer by Bobbyofna is licensed under the Creative Commons - Attribution - Non-Commercial license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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