The Weighted Companion Cube (Portal). Do you prefer with the thick

Companion Cube by Aakashi -- Fur Affinity [dot] net

Portal (video game): What is inside the companion cube? - Quora

LEGO IDEAS - Portal Companion Cube

Aperture Science Weighted Companion Cube (4NXPFJLL6) by clubofficialmail

Aperture Science Weighted Storage Cube, Half-Life Wiki

A non-redditor friend is selling a cube. Thought you people might be interested. : r/Portal

Portal 1: Late Play #06 – Weighted Companion Cube

Animated Companion Cube [Portal] [Mods]

Portal Companion Cube : 14 Steps (with Pictures) - Instructables

Weighted Portal Cube (In Color) - Aperture 1 (XDE8W2ZSY) by WandererTJ

Portal Companion Cube Cosplay Roleplaying RP Portal 2 Cosplay