Kuschler

"Kuschel"/4WD edition of the small pushing bot, designed for four servo motors SG90 and an ESP8266 microcontroller. The zip file includes the firmware, which can be easily loaded with the Arduino IDE.
See also:
https://www.thingiverse.com/thing:4888287
https://www.thingiverse.com/thing:4888304
https://www.thingiverse.com/thing:4888299
https://www.thingiverse.com/thing:4888298
https://www.thingiverse.com/thing:4888301

Printing:
Choose material and printer settings as you wish. You can apply whatever works best for your setup. If you trust the bridging of your printer, you can print everything without support.

A tutorial for building the robot (currently only in German) can be found here:
https://omg-3d.de/

Have fun and happy pushing!

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"Kuschel"/4WD Edition des kleinen Schieberoboters, ausgelegt für vier SG90 Servos und einen ESP8266 Microcontroller.
Firmware ist im Zipfil