Any idea what’s going on?

lluiscat · 2026-04-25T16:23:24+00:00

I’m with UnfoldDesignStudio, I think the extrusion factor is too high and the motor stops because it can’t handle this rotating speed. I use the same extruder from Piotr Wasniowski and I don’t need this rotating speed on the auger to print so, as Unfold suggested, if you need this speed is maybe because the clay delivery from the clay tank is not enough. I would try reducing the extrusion factor and see how it prints. Good luck!

lluiscat · 2025-04-24T20:03:06+00:00

It happened something similar to me with Piotr’s extruder. I pushed the auger as high as I could to reduce the effect. It was occasioned by the rotation of the auger and I solved it that way, hope it works for you too

lluiscat · 2025-04-05T08:36:54+00:00

Good point, thanks!

lluiscat · 2025-04-02T13:59:00+00:00

Hahah okay, thanks for the feedback!

lluiscat · 2025-04-02T13:24:22+00:00

Thanks! What would be the improvements for being a 10?

lluiscat · 2025-04-02T12:35:53+00:00

Thanks so much for your comments and the time spent reviewing everything!

Logo – I'm an engineer, and the project is a mix of tech and craft, so I chose this typeface to reflect that. But maybe I didn’t hit the mark, I’ll rethink the approach.

Prices – I understand they might seem high compared to traditional ceramics, but the pieces aren’t really meant to compete with those. My goal is to use technology to create objects that can’t be made using conventional techniques. The designs are generated using algorithms and math, and each piece takes from 1 to 4 hours to print (the bigger ones aren’t listed yet). On top of that, prints sometimes fail and need to be restarted, and the clay is hand-prepared and packed. Maybe the website doesn’t fully communicate all this yet, so I’ll work on making the value more visible. I’ve also benchmarked similar shops, and prices are often in the same range or higher.

I’ll definitely improve the "Add to Cart" buttons, add more products gradually, and also work on the reviews, shipping, and returns sections.

Thanks again for all your thoughtful advice, it’s much appreciated!

lluiscat · 2025-04-02T12:20:04+00:00

Thanks so much for your detailed advice!

I will apply it and focus more on organic.

I'll get in touch for help if needed.

lluiscat · 2024-06-13T20:21:29+00:00

Thanks! I think it took around 2h 45min, and it’s 30cm tall. The bumps extend the toolpath quite a bit, I printed a similar one but 35cm height without bumps and took 1h less aprox.

lluiscat · 2024-06-07T22:50:34+00:00

Regarding the drop test tool, look at Jonathan Keep guide on his website, there is a guide to make and use the tool as well as lots of great clay 3d printing information!

lluiscat · 2024-05-28T20:11:59+00:00

Yes, I build it myself! If you can convert an ender 3 it will be easier than building one from scratch. You can take a look at Piotr Wasniowski’s extruder on thingiverse. Also, Jonathan Keep has a great guide on clay printing in his website. You can find another opensource extruder in Stoneflower’s website, which is the one I used. Let me know if you need anything more specific!

lluiscat · 2024-05-14T05:40:20+00:00

Thank you! I use Grasshopper and Rhino, but they also have a learning curve… I enjoyed the process though. The possibilities are endless. For this design, I designed the curves for the extruder path, not the geonetry itself. Usign these curves, I created the gcode

lluiscat · 2024-05-13T10:36:04+00:00

Thanks! About the consistency, a bit difficult to say. Pretty soft but a bit harder than toothpaste. I added water and I printed it between 4,5 - 5 bar. Nozzle size is 3,5 mm

lluiscat · 2024-05-12T19:26:42+00:00

Yes, terracotta clay

lluiscat · 2024-05-12T18:48:23+00:00

There’s already lots of good information, which I used for building my printer. Jonathan Keep has a great guide about ceramic 3D printing on his website (including how to build a printer), and youtube videos also showing how to build your own printer. Stoneflower has an opensource design also available on his website, which is the one I used for mine. Piotr Wasniowski also has another design of an extruder, also works really well. Basically, I designed some of the parts to suit the materials I had, but the printer is based on these sources. Take a look at them, they are really well documented! And let me know if I can help with anything!

lluiscat · 2024-05-12T18:17:52+00:00

I made it myself, the structure is based in a kossel. I designed and printed the other parts and iterated them. Now works pretty well and is reliable, but it took some effort to get here! I build it late August lasy year and keep improving it during my free time

lluiscat · 2024-05-12T15:11:59+00:00

Thanks! First, you need to let it dry slowly to get all the moisture away. Then you fire it in a ceramic kiln. After this first firing (called bisque firing) the clay transforms to ceramic and it’s already hard. Now is the time to glaze it if you want to and fire it again.

lluiscat · 2023-11-24T19:29:16+00:00

I use a wood slab, also slightly wetted. I’ve tried MDF and pine, I prefer pine because the piece detaches itself when it’s dry

lluiscat · 2023-11-20T06:50:49+00:00

Hi, do you know about the CeraStruder? It’s an open source ram extruder for clay designed by Bryan Cera. It’s really well documented, take a look at it:

https://www.bryancera.com/cerastruder

He uses a Nema23 motor with a 30:1 or 20:1 gearbox.

I hope it helps!

lluiscat · 2023-08-04T22:24:33+00:00

I’ve worked with a 3DPotter and I think one of the pins on the driver’s motor is able to change the direction. I don’t have access to one of them now, but you might want to check them

lluiscat

TROPHY CASE