The Nozzle
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The Nozzle

How to Extend Human Abilities with 3D Printing

The Third Thumb Project — Champion Case Study

“The Third Thumb” is controlled by a pressure sensor.

From Design to Reality

Making the Thumb — The Challenges

Dani using The Third Thumb to stack blocks.

How We Helped

Design iterations.


The Third Thumb used to play those tricky guitar chords.


Find NinjaFlex filament here.

Machine requirements

The printer feeding in NinjaFlex.

Local & Fast

The perfect colour

Different iterations of the prototype.

The Right Price

The Flextastic Result

Good Modeller

Flexible Materials

“It’s just cool”



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Jen Botezat

Plant lover and writer keen on gardening, 3D printing, DIY, renewable energy, and tennis. 🌿Founder of 👒