<PERSON> a Cardboard Robot
Introduction: <PERSON> a Cardboard Robot
<PERSON> is an #OttoRemix entirely cardboard version of the original #OttoDIY of which he takes over all the electronic components and programming with OttoBlockly.
All information on how to build the OttoDIY robot with the 3D printer and all types of electronic components are available at https://www.instructables.com/Otto-DIY-Humanoid-Ro... and on the official website http://www.ottodiy.com.
This project shows specifically how to build <PERSON> the #OttoRemix but made entirely of Cardboard.
Supplies
Supplies
(All the electronic components are the same as OttoDIY)
1 x Arduino Nano
1 x Nano Shield I/O
1 x cable USB-A to Mini-USB
1 x ultrasound sensor HC-SR04
4 x Micro servo MG90s
1 x Buzzer
24 x Female/Female Jumper Wire
10 × Female/Female Jumper Wires
1 x Nano Shield I/O
1x charger + power booster + 16340 Lithium Battery or 2x Battery CR123A or 16340 + Battery Holder CR123A
1 x Small Phillipis screwdriver
Specifically for Otto Cardy
2x Cardboard sheet A4 2mm, Corrugated or Greyboard
1x clip of Ikea Bevara Bag Sealing Clip
Step 1: Body Building
To begin with, you can start by cutting the body of the robot consisting of three pieces that must be wedged together. The two PDF files Otto_Cardy1.pdf and Otto_Cardy2.pdf contains the technical drawing of all components and must be printed in A4 format. To get the exact dimensions please print at 102% size.
The A4 drawing should be glued to the cardboard and then cut along the edges indicated by the continuous red line. It is recommended to use a sharp cutter for the holes and the openings. The dashed red line indicates where to fold the edges of the carton while the dashed lines of other colors indicate projection lines.
In image, points A are marked in red to facilitate the assembly of the pieces. To increase the rigidity of the structure where the motors are hooked, I used two overlappings pieces and glued layers of cardboard.
Step 2: How to Make Head of the Robot
The second drawing OttoDIY_Card2.pdf contains the quoted reliefs of the components of the head with all the closing pieces. The design of the legs and feet, being symmetrical, are drawn only once, and it should be remembered that they must be printed twice and must be glued in a mirrored way: in the drawing is inserted the inscription x2.
In yellow, the drawing of OttoDIY's head (HEAD) with its cover is highlighted. The part corresponding to the foot (FOOT) is dealt with in the following chapter.
To facilitate assembly, the points (A) that must coincide in the two pieces are highlighted in red color.
The two pieces must be assembled using glue and masking tape to hold the various parts during assembly. 354
Start by matching the letter A with two pieces and then following the outline. You can put glue along the entire edge and place it in succession
The head must be inserted accurately outside the body and must therefore be "built" and closed using the body as a template and reference shape. To have a good closure between the two pieces, try to give the two a slightly conical shape in oerder to have a precise interlocking but also easy to remove
Step 3: How to Make Legs of the Robot
In the second drawing OttoDIY_Card2.pdf there are listed all reliefs of the legs and the feet. The design of the legs and feet, being symmetrical, is printed only once but must be made in two identical copies: in fact, the inscription x2 is inserted in the drawing
The legs are formed by cardboard wrapped around the motor and glued to the holder, which is screwed to the head motor.
The leg supports are made from a single clip, cut to a length of 25 cm.
Example of the cut (red lines) of the Sealing clip:
1. The two final parts cut to a length of 25 mm (SUPPORT ON FOOT in the drawing)
2. Grooves where to insert the motor and the Servo Arm. The hole has a diameter of 8 mm
3. Support mounted in the motor
4. Servo Horn modified to "dovetail"
5. Groove where to insert the Servo horn.
The two supports are the only components of Otto cardy that are not made of cardboard because they must be very sturdy as they must perform the structural function of supporting the legs. 276