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[GB] _bvn Calla TKL Keyboard Kit


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_bvn Calla is a F13 TKL with a reduced switch spacing of 18.9 mm rather than the standard spacing of 19.05 mm in homage to the OTD mini. Celebrate the arrival of summer with this calla lily inspired keyboard.

Groupbuy Details:

  • Sale Date: July 17 - August 14, 2023
  • Delivery Date: 6-8 months after groupbuy ends


  • July 28, 2023: Groupbuy period extended to August 14th
  • August 22, 2023: GB and extra quantities finalized

_bvn Calla Keyboard Kit Features:

  • F13 WKL TKL Layout
  • Top Mount or Gummy O-ring Gasket Mount
  • O-Ring: 273, 50A (30A & 80A Optional)
  • Case Material: 6063 Aluminum
  • Internal Weight: Brass
  • External Weight: STS
  • Plate:
    • MX: 5052 Aluminum or Polypropylene (PP)
    • Electrocapacitive (EC): 1.2mm STS
  • PCB Options: (Daughterboard included)
    • MX/ALPS PCB: Solder Hybrid PCB (Hotswap optional)
    • EC (Topre/Niz) PCB - Required modifications: Must read EC Guide
    • PCB Firmware: Vial enabled QMK
  • 18.9mm Switch Spacing
  • 5.5° Typing Angle
  • 21.9mm Effective Keyboard Height / 17.9mm Front Height (w/o bumpons)
    • Note: Plate, foam, firmware, and PCB files will be made open source following Group Buy fulfillment.


Kit Includes:

  • 1 Aluminum Top Case
  • 1 Aluminum Bottom Case
  • 1 Internal Weight
  • 1 External Weight
  • 1 Plate
  • 1 273 Gummy O-Ring
  • 1 PCB (Solder or EC) w/ Daughterboard
  • 1 Hardware Kit
  • 1 Carrying Case

Note: Product images are actual prototype photos. Silver, Red, and Navy colors will reflect the final production. Black is an R2 prototype unit and does not reflect the final production.

Disclaimer: Groupbuy items may not be combined with In-Stock items. Groupbuy products are notated with [GB] in the title.