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Order the Fiber grooving device

This device is used to groove PMMA (polymer) optical fiber. Works well with 1mm and 0.5mm diameter. It consists of a blade pushed by a micrometer screw, which cuts into the optical fiber's jacket with precise depth. 

Fiber grooving device $150

Grooved polymer optical fiber emits light laterally and can be used in different illumination devices, including in clothing.

Grooving the fiber also makes it more sensitive to bending, and can be used as a flex sensors.  (see Robot Finger project).