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Life Size Companion Cube

Added Dec 3, 2009

by tarasboutique

Phoenix, Arizona...






There’s this game called Portal created by this company called Steam. Anyways, the training portion of the game includes a “Weighted Companion Cube” to use for weighing down large buttons which open other portals or doors.
I have not played it but I was introduced to the world of gamers who make their own version of their beloved cube for fun. I had to try it and this is what I came up with!

Material Notes

I used Felt for this project and cotton thread but any sturdy/stiff material will do as long as your machine can handle sewing at least three layers of it.
The filling can be stiff foam to use as a foot rest or bean bag fill if made with cotton and filled with plastic beans.




Garment Type

4 Comments Sign in to add a post

  • Missing

    May 5, 2010, 05.28 PMby furbycake

    SUPER CUTE! I know what I’m making my friend for her 18th now! :D Thanks so much for the tutorial!

  • Missing

    Dec 11, 2009, 06.24 PMby gamegrl

    Your companion cube is adorable!

    Portal is actually made by Valve, who created Steam for downloadable versions of their games (and now many other companies as well). Portal started out as a student project at Digipen Institute of Technology that had the intellectual rights bought by Valve. They also hired on the students from the game team. The student project looks nothing like Portal, but the basic game premise of blasting portals though walls remained (it is actually very original as a game mechanic). I spent some time around Digipen when Portal was released, there was #DEFINE CAKE 0 scribbled on whiteboards everywhere (c programmer for “the cake is a lie”) and lots of quoting of Portal lines. School pride and all

  • 100_6588_large

    Dec 4, 2009, 07.01 PMby xnickerxje

    Weighted Companion Cubes for the win!

  • 00b0e5f07f6788eb73edf4b011ec12ed24c0c02e_large

    Dec 4, 2009, 12.03 AMby tarasboutique

    Sorry I don’t have any photos of it totally completed!

    • This is a question
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