Thingiverse
Trolley Chain Key
by Gazorpa
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Bring a coin or printed substitute when engaging this key, in order to release it. Search keywords "trolley key".
***28 July 2017 Update***
Added a version without built-in support.
***04 August 2018 Update***
Added versions without the hole. This modification was requested by a gracious maker, but does not work for me. The hole seems to be necessary to allow the lock to complete its rotation and then release the coin.
***28 July 2017 Update***
Added a version without built-in support.
***04 August 2018 Update***
Added versions without the hole. This modification was requested by a gracious maker, but does not work for me. The hole seems to be necessary to allow the lock to complete its rotation and then release the coin.
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