Three of the best Steam Machine accessories you can 3D print so far, including a GameCube-style handle
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Valve offers a nice amount of customization with its upcoming Steam Machine. The cube-shaped PC offers a console-like experience on SteamOS, but it’s the hardware (or rather the shell) that we’d like to talk about today. The simple but effective design has spawned plenty of ideas from the community.
There are some pretty obvious boxy choices you can go with, especially within the world of gaming, and there are some obvious parallels already being drawn to Nintendo’s GameCube. Valve announced the Steam Machine, arriving in early 2026, alongside its new Steam Controller and Steam Frame VR headset.
Custom 3D prints for the Steam Machine
Here are three 3D prints you can do at home we wanted to highlight today. Obviously, assuming you have a capable 3D printer.
Companion Cube cover
The first thing we’d like to highlight is this neat Companion Cube cover. We’ve already seen one popular accessory brand, dbrand, announce a limited-edition Companion Cube model which gives the Steam Machine a much bulkier footprint to match the iconic Portal character (if we can call it that).
But if you can’t get your hands on that, or it turns out to be more expensive than you’d like, then this 3D print is a good alternative. Its creator, DoesJohnPrintDoe, also created a full sleeve you can simply slot your Steam Machine into. It will have a negative effect on cooling, so it’s only really useful as a decoration.
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Minecraft pack
Next up is this Front Plate pack featuring two iconic Minecraft designs – Steve and a Creeper. The blocky, pixel design of these Minecraft characters make them easy to recreate in 3D print form. We’ve already seen a similar design floating around the web when exploring Steam Machine stickers, which will serve as an even cheaper alternative if you don’t have a 3D printer, or would rather just have a simpler vinyl wrap.
GameCube-style handle
The Steam Machine, or the GabeCube as some people call it, doesn’t have a handle attached. Anyone who owned a Nintendo GameCube might know that the handle on the back is helpful for securely carrying it with one hand. We suspect there will be fewer people frequently taking the ‘GabeCube’ around to their friend’s house for Mario Kart or Smash Bros., but nethertheless, it’s a nice feature.
It’s worth noting that the creator has “never printed this,” so its not clear how nice a fit this 3D print is right now. In any case, if you’re going to attach this and go for a GameCube-style design, don’t forget to download the perfect startup movie to match.
What else is there?
Aside from these accessories, there are a couple of other things to mention. One is a simple, to-scale model of the Steam Machine from creator Thynix; the ‘Steam Machine placeholder’ does what it says on the tin. You can use it for figuring out where the device will fit where you’ll want it before the real deal is delivered to your door. Hopefully by Gabe Newell himself, like he did with the first batch of Steam Decks.
There’s another, similar model, but it’s more modular and better suited for customization. Polymera (who created the Minecraft pack above) has published a full 3D model you can use for your designs, including an accurate STEP file for Steam Machine, based on Valve’s public source material. The STEP and STL files for the customizable front panel are included separately.
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