404 3d printed Straw Pipetter | Citizen Science Quarterly
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3d printed Straw Pipetter


Christopher Pendlebury has created a simple pipetter suitable for dispensing liquid in the 200μL to 1000μL range.


1. Print StrawPipette.stl
2. If necessary, clean up hole so straw slides in easily. The straw should stay in snugly, but shouldn’t crush the straw.
3. If required, sterilise some drinking straws.
4. Insert straw and use pipette:
i. Insert into liquid, cover top of straw with thumb.
ii. hold thumb on straw while transferring liquid.
iii. release thumb to dispense liquid.
5. Change straw when you would change a micropipette tip.

Print your own via Thingiverse