Shun Ikejima's Egg Is a 3D-Printed Ultra-Compact Ortholinear Raspberry Pi Zero W Laptop

Inspired by vintage luggables, this deceptively compact computer runs bare-metal software with a sub-five-second boot time.

ghalfacree
over 1 year ago HW101 / 3D Printing

Shun Ikejima's unusually-named Egg laptop is a Raspberry Pi-powered 3D-printed throwback to an earlier era, mimicking the look of vintage portables while using a modern ortholinear keyboard layout.

"When I was a kid, I drew my perfect laptop PC to note," Ikejima explains of the inspiration behind the Egg. "At that time, I couldn’t have the laptop. But, now I can start my project! I defined a goal that I can design my next laptop on this laptop. In other words, it only needs to edit Python code for CadQuery."

The surprisingly small Egg uses a 3D-printed chassis to host a Raspberry Pi Zero W running bare-metal software. (📷: Shun Ikejima)

The resulting design looks remarkably similar to vintage systems like the NEC ProSpeed 286, an example of which was recently upcycled courtesy of a Raspberry Pi transplant. Like the NEC, the Egg features a clamshell display, which hinges not from the very back as with modern laptops but from somewhere closer to the middle — leaving a "backside" that sticks out proud at the rear, offering increased stability to counter the Egg's small size and light weight.

The 3D-printed chassis, designed in CadQuery, is based on the GRIZ Sextant design unveiled in December 2020. To the front is a Cherry MX mechanical keyboard based on a straight ortholinear layout with 16mm key pitch to reduce the overall size. A Raspberry Pi Zero W single-board computer sits inside, while a three-digit seven segment LED provides a secondary display under the main screen.

The Egg uses a clamshell design inspired by vintage luggable laptops. (📷: Shun Ikejima)

The laptop's appearance can be deceiving. While inspired by full-size vintage systems, the Egg has a footprint of just 198×190×34mm (around 7.8×7.5×1.34") — making it more of an ultra-portable netbook than a classic laptop. For software, Ikejima worked around the Raspberry Pi's lack of a suspend-to-RAM mode by writing bare-metal software, which boots the system up in under five seconds — though admits "the software is not complete yet."

More information on the Egg is available on Ikejima's website.

ghalfacree

Freelance journalist, technical author, hacker, tinkerer, erstwhile sysadmin. For hire: freelance@halfacree.co.uk.

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