Pipette Tool

Back of the pipette tool showing the flexure mechanism. When the pipette experiences resistance (i.e., pressing it against a pipette tip to pick it up), the flexure mechanism compresses until an endstop is triggered.

Pipette tool picking up a tip. When the flexure mechanism shown above reaches the endstop, the pipette tool considers the tip to have been picked up and resumes other tasks.

Parts to Buy

• OT-2 Pipette (tested with gen1 and gen2)

• See the shopping list for tool parts here.

Parts to Fabricate

• Pipette tool frame SolidWorks file and correctly sized parking posts can be found here.

Assembly Instructions

There are two version to choose from.

• Version using only 3D printed parts

  • *Purchase this endstop

• Version using 3D printed parts and a laser-cut flexible delrin part

Electronics

• Wiring Diagram

Duet Configuration

• Instructions here

Media