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Otto DIY build your own robot

An interactive robot that anyone can make, program with Arduino or Blockly software, remote control and expandable.
5h 35m
2× print file
0.28 mm
0.40 mm
92.00 g
701
25 k
43
59 k
updated March 9, 2026

Description

PDF

Join our HP Robots Otto: Remix Challenge click here

An interactive robot that anyone can make!
Otto walks, dances, makes sounds, avoids obstacles, you can code on your own and even customize, it is completely open source, Arduino compatible and 3D printable.

Features

  • 💻 Programmable with Otto Blockly or Arduino IDE

  • 👣 Walks & dances

  • 🦇 Avoids obstacles

  • 🔊 Makes emotional sounds and melodies

more details in https://www.ottodiy.com/

Print instructions

Otto is very well designed for 3D printing, so won't give you trouble if you follow these common parameters:

FDM 3D printer, PLA is enough.
No supports or rafts.
Resolution: 0.2mm
Fill density 15%

All parts in total use 100gr aprox. equivalent to 35m of regular PLA 1.75mm thickness, it should take around 4 hours to 3D print a full set of parts for one Otto even less with optimized settings depending on your printer and slicer.

List of Parts

  • 🖥 Otto Nano Microcontroller + I/O board

  • 🔌 USB cable

  • 🔋 Rechargeable 16340 battery booster do NOT use Alkaline not enough power or use (soldering required)

  • Toggle or 8x8 push switch depending on the body your print

  • ⚙ 4 x micro servo motors with set of screws.

  • 🦇 Ultrasonic sensor HC-SR04

  • 🔊 Buzzer passive Ø12mm

  • 🌈 8x DuPont female to female jumper wires

  • Small Phillips screwdriver magnetized

  • 3D Printed head

  • 3D Printed body

  • 3D Printed legs (2)

  • 3D Printed feet (2)

How to build video

How to code video

We invested lots of time and resources to provide open-source code, software, and hardware, please support this project by just following us, giving us a ❤ Like and share and you are welcome to be a part of this friendly community of robot builders, teachers, and makers.

Join our HP Robots Otto: Remix Challenge click here

Tags



Model origin

The author marked this model as their own original creation.

License