Biropette: customisable, high precision pipette.

by BadenLab, published

Biropette: customisable, high precision pipette. by BadenLab Feb 23, 2014

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Note: Any tips will go straight to our charity "TReND in Africa" (www.trendinafrica.org) which is dedicated to fostering university level science education on the African continent!

  • Accurate to a few microliters, approx. linear regulator
  • customisable range and accuracy - use the customizer!
  • optional tip removal button ("Expunger")
  • no supports, designed for stability & fast printing

Print your Biropette rack now!


TReND in Africa gUG: http://trendinafrica.org/
A registered charity run by volunteer scientists on 4 continents

Help us design good, affordable lab equipment for African scientists!
Join us! Sponsor us! Spread the word. Thank you!

Also, check out our dedicated lab.equipment tinkering page: http://open-labware.net


For details, see downloadable pdf. Read that before printing! You may have to use the customizer, e.g. depending on your printer accuracy, what range you want, or which type of tip you plan to use!

*inspired by the straw pipette: Thing:64977 by kwalus.


UPDATE 2014 02 25
uploaded v16 scad and stl - this has a relatively tighter fit between parts A and B, for the same tolerance. v16 scad is now the one accessed by customizer.


see downloadable pdf!

In short, find some sort of tube that will fit a pipette tip (metal tube, PVC, anything) - then measure its diameter and put that into the customizer - alongside with all kinds of other options.

Then you will need a bit of glue, a lab glove or similar, some tape, and 2 biro fillings including the spring. And one screw.

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finished building it, but half of the water drips out, the it stops. I guess this means it's not airtight everywhere?

Yes, probably. Try 100% infill for the bottom part

While in this thing all Parts are available as separate files, in the customized things there's only one stl with all files inside.

I just spent some time trying different programs in order to find one capable of separating the parts. For everyone else who has this Problem: the Windows 10 3D Builder can do this quite equally. just ungroup, delete all but one, and safe. strg+z, and delete all but another.

I have no Idea if you can access the appropriate settings in the customizer, but I think for most people this might make things easier.

PS: Thanks for the great Design, I will post a make when it's assembled!