3dp hotplug tools

# [ 3dp_hotplug_tools](https://github.com/PingguSoft/3dp_hotplug_tools)

## hot-pluggable 3d printer tools
- remixed from ProperPrinting's tools
- https://www.thingiverse.com/thing:3369444
- https://www.thingiverse.com/thing:3547740
- female connector is built in the base and male connector is built in the tools
- **big current flows through VBB (24V for ender3) and extruder heater pins, so 4 pins for each are assigned**
- **required voltages can be driven through VBB and GND by using DC-DC converter**

## base
- female connector is installed by 15 degree angle




## head tool pin connection


## 3dp hotend tool






## plotter tool
- pen is moved up and down by using fan signal to speed up
- pen is moved by solenoid and gravity and move up when solenoid is on (=fan is on)
- cura plugin for the plotter is [here](https://github.com/PingguSoft/cura_plugin)





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