The Idea
This project converts a Google Pixel 3 XL smartphone into a clamshell-style palmtop, paired with a Bluetooth keyboard and enclosed in a custom 3D-printed case. The result is a compact, low-cost portable device ideal for field work, diagnostics, and general-purpose computing.
I’ve always been a fan of clamshell palmtops — a fascination that started years ago when I worked as a network field engineer. Back then, I used a NEC MobilePro 900 to configure and troubleshoot network equipment on-site. I really liked how practical and easy to use that form factor was.
Though the Pixel 3 XL is an older smartphone, it’s still a capable piece of hardware. By repurposing it and combining it with a folding Bluetooth keyboard, this project gives it a second life as a functional palmtop — one that’s easy to carry and quick to deploy.
The current version of the case securely holds both the phone and keyboard in a folding layout. I'm working on refining the 3D-printed design to make it easier to print, assemble, and customize for others who share a love for classic computing form factors.
Version 1

The first version of this device was created with a rugged design in mind. It appears that this design could lead to a more sophisticated assembly. While it is nice to be able to make the device in two colors with a pretty attractive appearance, a less complex assembly will be prioritized in the next version.
Version 2
The second version of this device has fewer 3D-printed parts and are much easier to assemble. I've tried to preserve the device’s attractive appearance, even with fewer options for using different filament colors.

Both models have a panel on the back of the lid that can be used to mount external wireless modules connected via an OTG cable. I reused a panel I had originally designed for organizing cables in my work bag, but never ended up using

The panel's shape and design make it ideal for strapping external cards.

Version 2.1.0




This is the latest, and probably the final, version of this case. I’ve moved the phone to the center of the lid, removed the parts of the case that were meant for securing cables and external cards with plastic ties, and modified the upper panel design
Would love to see this as a modular case to change devices as I have the OnePlus 8Pro with a full Nethunter install. This is beautiful work!