parabola focal point demonstrator
thingiverse
This is to demonstrate focal point of a parabolic curve. Print all 4 parts, place the pin at the focal point of parabolic curve. Mount a laser module on the slider, then put the slider on the parabola. Place mirror tape on parabolic surface. Shine the laser and slide it. Wherever the laser is, light always points the focal point pin. You need to modify laser mount to fit your laser module to fit in. https://youtu.be/Vg3wAkJQrBs
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