| The laser head kit presented in 2018 turned the Elektor Sand Clock of 2017 into a clock that writes the time on glow-in-the-dark film instea...
All items tagged with Prototyping & Production and Sand Clock (1)
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| The laser head kit presented in 2018 turned the Elektor Sand Clock of 2017 into a clock that writes the time on glow-in-the-dark film instea...