Weighted Companion Cube





Introduction: Weighted Companion Cube

By popular demand I made the Weighted Companion Cube from Portal.

Step 1: Materials and Tools


some sort of hardenable or bakeable clay
red paint
white paint
black paint
Silver paint (not necessary, I think it looks better than white though.)


cutting knife or blade

Step 2: Cube Beginning

Make a cube out of the clay.
Use the blade to make a plus on each side.

Step 3: Cube Edges

Make 8 small equilateral triangles.
Push the triangles onto each corner and shape them.

Make 8 small rectangles.
Push them onto the edges between the triangles.

Make 6 small balls of clay.
Squish them and push one into the center of each side of the cube.

Step 4: Paint

Bake the cube if it is a baking clay, let it dry if it is a hardening clay.

If you want the edges to be silver instead of white, spray-paint the entire cube silver. Otherwise paint the edges, corners, and circles white.

Mix the black and white paint to make a dark grey paint.
Paint the low area between the edges and the circle grey.

Mix the red and white paint to make pink paint.
Paint a heart in the center of each circle.

Step 5: Don't Let It Die

Whatever you do, don't let your companion cube die.



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    We have a be nice policy.
    Please be positive and constructive.




    was thinking of using solder for the cube's accents

    The symptoms most commonly associated with Enrichment Center activities are superstition, perceiving inanimate objects as real, and hallucinations. The Enrichment Center would like to remind you that the Weighted Companion Cube will never threaten to stab you, and infact, cannot speak.

    1 reply

    oh god no... not in the oven again... i cant live with the guilt...

    It's ironic that you have to bake these... kind of reminds me of...

    1 reply


    Dam, that picture causes me physical as well as mental pain. Being insane (self diagnosed) doesn't help much. Ouch! But if anybody can succeed in making it work in 3 dimensions (or more if you feel it totally necicary) I want to know how. IQ_abyss

    the only ppl who call call themselfs sane are the formally insane

    i wonder what would happen if you told a robot that to be sane you are insane i bet its head will explode that would be fun to watch


    ...and those of us who call ourselves insane?

    haven't you knowtist that every one who calls them self sane has some sort of norological disorder? isnane people just collect sane people and tell others about there collectons

    ...spelling errors aside... Nevermind, I can't do it. Seriously wondering did you 1) just not care, 2) use a really old voice-to-text program, or 3) do it on purpose to prove a point... Either those, or English isn't your first language, in which case, I'd applaud you for your sentence structuring and grammar constructions.

    i'm partially autistic "aspergers syndrome" some times the way i type and read things is messed up an i speak 4 languages not including english and cajun french

    I feel truly bad. I'm sorry.

    we are all sane and insane at the same time

    I may have a high intelligence quota but you my friend have wisdom. I bow to you, Ward_Nox.

    You can actually build these, I've seen them. Can't remember where I saw, but obviously they don't work -quite- like the picture. A couple of the pieces are curved so that when you look at it at -just- the right angle it blows minds.