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der_coco

Easiest Clay/Paste Extruder

by der_coco Mar 14, 2019
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Well done! I am interested in this topic as well. For clay I think the best project so far is https://www.thingiverse.com/thing:3142561 in my opinion.
Maybe to prevent clay collapsing you need to add extra fans that will help drying the lay while printing? as opposite to chocolate f.e. to help cooling the printed part.

Yours looks like a decent alternative to https://www.structur3d.io for smaller applications. like for example Circuit Board Prototyping Machine https://www.kickstarter.com/projects/voltera/voltera-your-circuit-board-prototyping-machine

I would suggest using Luer Lock syringes for easier tip/ nozzle size changes and measurement like here
https://www.aliexpress.com/item/60-ml-Luer-lock-syringe-14G-blunt-end-tips-free-shipping-NEW/32695566290.html

with this kind of Dispensing Needle tips https://www.aliexpress.com/item/30pcs-Set-TT-Tapered-Tips-Solder-Paste-Adhesive-Glue-Dispensing-Needle-Plastic-Conical-Tapered-Tips-14/32961236563.html

and if you add something like this or similar https://www.aliexpress.com/item/Funssor-200-x-200mm-silicone-rubber-heating-plate-mat-12V-150W-Square-Silicone-Rubber-Heater-Mat/32809674298.html
around the syringe you can use it to print chocolate!

There are couple of similar thngs here like f.e. https://www.thingiverse.com/thing:1820146 or check my Paste extruders collection for some inspiration https://www.thingiverse.com/Mag8891/collections/paste-extruders

Thanks for sharing!

Mechanical Paste Extruder
SyriGo - Open Hardware Programmable Syringe Pump
by Ocram