• Top-down view of a Ferris Sweep keyboard with gray and beige keycaps in a Crab Broom aluminum case
  • Crab Broom keyboard build with blue and black keycaps, shown from above
  • Angled view of Crab Broom keyboard halves with light keycaps on a white background
  • Close-up of Ferris Sweep keyboard in Crab Broom aluminum case, highlighting key stagger and diodeless PCB
  • Side view of blue keycaps on the Crab Broom keyboard showing curvature and tripod tenting system
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Boardsource

Crab Broom – Ferris Sweep Aluminum Case & Keyboard Kit

Crab Broom – Ferris Sweep Aluminum Case & Keyboard Kit

Crab Broom – Ferris Sweep Aluminum Case

The best home for your Ferris Sweep. 

Crab Broom is the only CNC aluminum case available for the Ferris Sweep layout, a low profile, split, columnar-staggered 30 percent keyboard with 34 keys and a diode-less design. Whether you're here for the layout, the materials, or the engineering, this case brings the whole build together with precision and personality.

Designed to be extremely slim, travel-friendly, and ergonomic, Crab Broom is a minimalist case that doesn't compromise. It's made from high-grade aluminum and supports tripod tenting and Boardsource Booster Pack tenting right out of the box. If you're looking to build a low profile Ferris Sweep that feels premium and looks even better, this is it.

What is the Ferris Sweep? 

The Ferris Sweep is a compact 34-key split keyboard designed by David Barr. It features:

  • A deep columnar stagger for ergonomic typing 
  • A diode-less design, thanks to clever PCB routing 
  • A minimalist layout perfect for travel or focused setups 
  • Support for Kailh Choc switches (V1 LP only)

If you're searching for a Ferris Sweep keyboard or Ferris Sweep kit, this is the most complete and refined option available.

Key Features of Crab Broom 

  • Custom CNC Case
    • Durable and extremely thin. Machined from a solid block of aluminum for long-term reliability and a clean, modern look.
  • Tripod Tenting Support
    • Native support for the Manfrotto Mini Tripod system. Raise both halves for ergonomic wrist angles with no DIY hassle.
  • Booster Pack Tenting Support 
    • Optional legs let you tent one or both halves without a tripod. Great for portable setups or simpler ergonomic tweaks.
  • Low Profile, Choc-Spaced Layout 
    • Designed for Choc v1 switches. LP spacing keeps your keyboard extremely compact and minimizes finger travel.
  • Ferris Sweep PCB Compatibility 
    • Works with standard choc-spaced Ferris Sweep PCBs. Designed to pair perfectly with our custom PCB.
  • Minimalist Aesthetic, No Branding

    • No logos. No clutter. Just clean lines, crisp edges, and thoughtful design choices.

Specifications 

  • Layout: 5x3 + 2 thumb keys per half (34-key 30%)
  • Switches: Choc V1 (Low Profile/LP & Choc Spaced)
  • Material: CNC Aluminum
  • Tenting: Compatible with Manfrotto tripod or Boardsource Booster Packs
  • PCB Compatibility: Choc-spaced Ferris Sweep only

What’s In The Box

Included: 

  • Left + Right CNC Aluminum Case 
  • Hardware (screws, standoffs, silicone feet)

Shipping and Availability

Ships from Las Vegas, NV. Most orders ship the next business day.

Sweep Build Guide

Sweep Build Guide

Build Guide
View full details

Why Buy From Boardsource

  • 🧠 Built by Ergo Keyboard Nerds

    We don’t just sell ergonomic keyboards, we use them, mod them, and obsess over them. Boardsource was created by two, Cole & Quinn we are enthusiasts, just like you. Whether you're new to split keyboards or deep in the hobby, we design and stock products we’d want on our own desks.

  • 💬 Customer Service Who Care

    Questions? Problems? Ideas? We’ve got your back. Boardsource is known for fast, helpful, and human support. No ticket mills or generic replies. Just real help from people at Boardsource who actually know the gear they sell.

  • ⚡ Fast Shipping, Always

    We ship fast, usually within 1 to 2 business days, because we know how frustrating it is to wait for an order. Every order is packed by us, right here in-house with care and speed. You will get tracking quickly, and your gear will be on its way before you know it.