This instuctable instructs you on how to make a cardboard costume of a great white shark. This was a school project and it involved working in a group, and each group had to make a line of marine themed costumes.

Design Brief : Develop a line of marine themed costumes made from recycled cardboard that can be slotted together for assembly that adults can easily make for middle school aged children to use indoors or outdoors when under minimal supervision.

My group, chose the theme : Sharks.

Specs and Limits: Single, Double or Tri-Wall recycled cardboard
   Flat Pack Costume Design
   Easily Constructed by Adults
   Common Marine Theme
   Few Parts as Possible for ease of Construction

Step 1: Materials and Tools

Materials List:(S1) Cardboard, 60in x 35in, 20in x 15in, 25in x 20in, 15in x 2in

Tools : (T1) Cutting Mat
   (T2) Utility Knife
   (T3) Ruler
   (T4) Pencil
   (T5) Circle Template or Compass

Step 2: Making the Front Piece of the Body

Part P1: Front Piece of Body

1. Draw outline with pencil (T4) on cardboard (S1) with correct measurements ( 50in tall, 32in Fin to Fin. See Font Piece of Body on left side of picture Below .)

2. Measure with ruler (T3) for correct dimensions

3. Place Cutting Mat (T1) down.

4. Use utility knife (T2) to cut out model

5. Cut out head hole with utility knife (T2) ( 15in by 15 in)

6. Put slits in correct places with utility knife (T2) ( Starts where head hole ends on each side. 1 1/2 in for each slit.)

Step 3: Making the Back Piece of the Body

Part P2: Back Piece of Body
1. Draw outline with pencil (T4) on cardboard (S1) ( Measurements: 50in tall, 32in Fin to Fin. See back piece on right side of picture below .)

2. Repeat steps 2,3,4,and 6 from front piece for back piece.

Step 4: Making the Dorsal Fin

Part P3: Dorsal Fin

1. Draw outline of fin on cardboard (S1) with pencil (T4) ( Like a Triangle: 12 x 16 x 16)

2. Place cutting mat (T1) down

3. Cut out fin with utility knife (T2)

4. Put slits in correct places with utility knife (T2) ( 2 inches from 12in base. 2 inch slit.)

Step 5: Making the Caudal Fin

Part P4: Caudal Fin

1. Draw an outline of fin on cardboard (S1) with pencil (T4) ( 18in high, 22 inches across.) Pay attention to picture!

2. Place cutting mat (T1) down

3.Cut out fin with utility knife (T2)

4. Put slits in correct places with utility knife (T2) ( Where the point is, go over 2 in and make a 1 inch slit.)

Step 6: Making the Connectors

Part P5: Connectors

1. Draw an outline on cardboard (S1) with pencil (T4) ( 15in long by 2in wide.)

2. Place cutting mat (T1) down

3. Cut out connector with utility knife (T2)

4. Put slits in correct places with utility knife (T2) ( 1in in make a 1in slit. Do on both sides and repeat on both connectors)