Here's how to build your own 'Portal' companion cube for less than $50

The process is easy and the result is incredible.

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How to make a companion cube from portal

diy - Page 5 of 13 - The Daily Dot

How to make a companion cube from portal

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Portal: Companion Cube Storage Box : 9 Steps (with Pictures) - Instructables

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How to Make a Low-Budget Weighted Companion Cube From the Portal Video Game Series

diy - Page 5 of 13 - The Daily Dot

Portal: Companion Cube Storage Box : 9 Steps (with Pictures) - Instructables