Toys for boys- railway semaphore
thingiverse
Every boy need a toy. Old boys use computers, small boys need something simpler. here is nice addition to track curve https://www.thingiverse.com/thing:4860144 - railway semaphore based on Vikipedia article railway semaphore signals. It is combined with existing track switch and works (at least in OpenScad) Drill 3 holes in printed switch clamp, secure Your new toy with bolts and Enjoy! Written in Template Shapes_Text https://www.thingiverse.com/thing:4863092 Design will be included in database
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