Ender 3 calibration kit (feat. tire tread depth gauges)
thingiverse
This is a remix of [AletheianAlex](https://www.thingiverse.com/AletheianAlex)'s Creality Ender 3 alignment prints". I modified the model, added an extended port on the bottom of the mainframe, and adjust the depth of the long socket hole. The mainframe can be adapted to a 90mm bow like belt-tensioner. You can find the original design on the remixed. For **spring-loaded**, it's recommended to have a 0.3x4x25 spring installed between the socket and mainframe. However, there is a friction bar inside the tire tread depth gauges, which makes the spring not strong enough to make gauge move freely. You should follow the guide [here](https://www.thingiverse.com/thing:2991835) to remove the friction bar. Enjoy! Note: PLA is enough for the mainframe and sockets. PETG or ABS is recommended for the bow. No support is needed.
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