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A Simple, Low-Cost Conductive Composite Material for 3D Printing of Electronic Sensors

Figure 4

3D printing of capacitive ‘smart’ vessel.

a) the CAD design of the printed ‘smart’ vessel, b) the vessel during printing showing the embedded sensor strip, c) the completed vessel next to a £2 coin (coin is approximately 28 mm in diameter) and d) the capacitance response of the ‘vessel’ when water is added.

Figure 4