Introduction: How to Create a Jellyfish Costume Using Only Cardboard

Picture of How to Create a Jellyfish Costume Using Only Cardboard

How to create a jellyfish costume using only cardboard

Step 1: Introduction

The purpose of this school project is to construct a marine-themed costume using only cardboard and flat-pack construction. I have to build a jellyfish costume out of cardboard using flat-pack construction. The specifications for this project are:
1. The costume must be made of cardboard.
2. A middle-schooler must be able to wear the costume. 
3. The costume has to be marine-themed
4. The costume must be constructed using flat-pack construction.
The only limitations for this project is that it can only be made of cardboard, and nothing else.

Step 2: Materials

Picture of Materials

The only material that is needed is cardboard(S1)

Step 3: Making the Body Square

Picture of Making the Body Square

1. Use the ruler(T3) and the pencil(T4) to measure out a 1 foot by 1 foot square on the cardboard.
2. Put the cutting board(T1) beneath the cardboard, and use the utility knife(T2) to cut out all of the squares.
3. Cut two slits on both sides of the square with the utility knife(T2), each slit directly opposite to the slits on the next square.
4. Repeat these steps 12 times.

Step 4: Making the Tentacles

Picture of Making the Tentacles

1. First, use the ruler(T3) and the pencil(T4) to make a strip about 21 inches long, and 1 1/2 inches wide.
2. Then, put the cutting board(T1) underneath the cardboard, and cut out the tentacle with the utility knife(T2).
3. Next, cut slits at the top of the tentacle directly in the middle of it with the utility knife(T2).
4. Repeat these steps 6 times.

Step 5: Part List

Picture of Part List

1. Body square(P1)
2. Tentacle(P2)

Step 6: Putting the Squares Together

Picture of Putting the Squares Together

Match up each square with the square next to it, and slide it into each other at the slits.

Step 7: Putting the Squares Together, Continued

Picture of Putting the Squares Together, Continued

Take 6 squares to start out with, and make sure to match each slit with the slit next to it. You must also make sure that the first and the last piece have slits that match up to each other as well.

Step 8: Putting the Squares Together, Continued

Picture of Putting the Squares Together, Continued

Fold the line of squares to form a ring, and connect the beginning and end piece.

Step 9: Putting the Squares Together, Continued

Picture of Putting the Squares Together, Continued

Make another line of 6 squares like the first one. Make slits on the bottom of the top ring, and the top of the bottom ring to connect the two rings.

Step 10: Attaching the Tentacles

Picture of Attaching the Tentacles

Make slits on the bottom of the lower ring, and make slits on the top of the tentacles. Then, slide the tentacles in to the slits.

Step 11: Making Arm Holes

Picture of Making Arm Holes

Cut out a circle on the fifth and second square on the upper ring. The size of the hole depends on the size of your arm.

Step 12: Finishing the Costume

Picture of Finishing the Costume

Fold the two rings together, and attach all of the ends to each other. You might want a friend to help you put it on.

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