DIY Portal Companion Cube Case for Steam Machine 3D Print Plans Released

Fan-Made Companion Cube Case Breathes New Life Into Steam Machine

A creative gamer has designed and released 3D printing instructions for a Portal-themed Companion Cube case for Valve's Steam Machine. The project brings back a concept originally planned by dbrand, which was cancelled before it entered production.

The custom case transforms the rectangular Steam Machine into the iconic Companion Cube from Valve's Portal series. It features the signature pink and white colour scheme and the heart-shaped indentations on each face.

From Cancelled Project to DIY Reality

dbrand had announced a Companion Cube case for the Steam Machine in 2023, but later scrapped the project. The company cited manufacturing challenges and low pre-order numbers as reasons for the cancellation.

Now, an independent fan has taken up the mantle. The designer created a fully functional case that can be printed on standard consumer 3D printers. The files are available for free download, along with step-by-step assembly instructions.

What You Need to Build Your Own

The case requires approximately 2 kg of filament in pink and white. The designer recommends using PLA or PETG for durability. Assembly involves printing multiple panels and attaching them to the Steam Machine's internal frame.

No modifications to the console itself are required. The case simply replaces the original shell, allowing easy access to ports and the power button. The designer has tested the case with both the Steam Machine and the Steam Deck in docked mode.

Community Response and Availability

The project has gained traction on forums and social media, with many praising the faithful recreation of the Companion Cube design. Some users have already shared their own printed versions, showing the case in various lighting conditions.

The designer plans to release additional colour variations and a version with RGB lighting in the coming weeks. The files are hosted on popular 3D printing repositories, making them accessible to anyone with a printer.

Valve has not officially commented on the project. However, the company has a history of supporting fan creations, particularly those related to its gaming franchises.

For those without a 3D printer, the designer is exploring options for selling pre-printed kits. No timeline or pricing has been announced yet.

What This Means for Steam Machine Owners

This project demonstrates the ongoing interest in customising Valve's hardware. While the Steam Machine was not a commercial success, it retains a dedicated community of enthusiasts.

The Companion Cube case is a creative way to personalise the console. It also serves as a tribute to Portal, one of Valve's most beloved game series. Whether other designers will follow suit with their own themed cases remains to be seen.