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by LightYourselfUp Sep 3, 2013
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After some searching, the assembly instructions actually appear to be here:

Doesn't look like it would take much to update the design for quick replacement of the line... so you can switch substances quickly.

head = lift, i.e. how high it can push water in a vertical line.

Hi, sorry to say again i never tested anything like this i was using it as an extruder and the height was never an issue around 20cm, but i didnt test it in a verlical line

How much l/minute does it push, and how much head does it give?

I dont really know since i never use it to pump at high speed. What do you mean by head?

Hey I like your design, but the printed version I made doesn't work. Are all the files the right ones on your github? Could any have gotten mixed up between versions?

Hi! sorry for the late reply,
Files should be fine, I have seen several people putting it together, to be honest. I havent update the files in a while, so they should be last version. What issues are you having?

I want to make a variation of this. Any chance you made the body, etc, with openscad, and will provide those source files for modification? Thanks!

I saw in the original version/pump that the hose moved a bit when it was running, do you experience any of the issues with this version?

Nowadays it doesnt move for me, but i have had this issue with all my previous versions i designed ( you can checked them here http://lyulyulyulyu.tumblr.com/post/60091436004/plyump-intro-1-of-5lyulyulyulyu.tumblr.com/post/6... )
It doesnt move mainly because the tube goes through a really tiny hole that keeps it in place, but this makes it really hard to remove or change, a better solution is defenetely in the todo list.

ah, ok, also, what is the clear stuff you made the solid OSHW logo with? it looks like glass almost

Very cool. I am assuming the material (yogurt?) is fairly thick so it doesn't run. How do you get it to feed into the extruder? Gravity, air pressure or something else? I'm very curious if this could be used for ceramic printing.

The yogurt is "sucked" by the pump. Normally i pump it directly from the original package. For ceramics would depend on viscosity, yogurt-type ok, peanut butter type too thick

there are bearings inside of the extruder, which has the hose pinned against the wall, and smooshes the yogurt or other materials through the tube. If you look at the thing it was derived from, it shows how it works, but I do have to say that I like this version much better for looks.