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PrintBot Renacuajo

3D model description

This is an educational robot designed to be used as a sniffer or line follower.

It has been designed to attach other components such as servos, LEDs, push buttons, a buzzer, and other sensors included in the product "My first robotics kit" distributed by bq.

BOM (see attached image)

Printed parts:

1 x chassis

1 x battery holder

2 x wheel

1 x sniffer


15 x M3x10 screw

2 x M3x40 screw

16 x M3 nut

2 x 3x50mm O-ring

8 x AAA batteries

Parts included in "Mi primer robotica kit" by bq:

1 x Freaduino UNO (Arduino UNO derivative)

2 x IR sensors for line following

2 x continous servo rotation

1 x 8 AAA battery holder

1 x Bluetooth Module (optional)

3D printing settings

Build Instructions

See the attached pdf (in Spanish). Pictures are clear enough to follow the steps even if you do not understand Spanish.

Check this video:

Example code

Attached you will find a simple Arduino program for following a line ("Arduino_renacuajo_line_follow.ino").


Now you can control your robot through the "RoboPad" app.

So just upload the "Arduino_robopad_renacuajo.ino" to your robot, connect the Bluetooth Module and install the Android app:

Youtube trailer:


This thing and all other published material can not be considered as a final product of any of its uses.

It should be considered as an experimental and early release product developed by the Innovation and Robotics Department staff with the intention to share and test it as soon as possible within the community.

Final releases will be published on

  • 3D model format: STL et ZIP





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