Polycarbonate Amano by Amano Studio. Render by Beesley. (Full Size)- North America
- Europe
- Asia
- Oceania
What is GMK CYL Prussian Blue?GMK CYL Prussian Blue is a custom keycap set to be manufactured in the Cherry profile by
GMK Electronic Design GmbH. Prussian Blue's design celebrates the languages of Poland and Germany, as the former Kingdom of Prussia intersected both of these modern nations.
These MX-compatible keycaps will be made from ABS plastic and doubleshot legends (with UV front-print where needed). GMK Prussian Blue uses a simple color scheme with a GMK stock white (CP) for its legends and a custom color for the base: RAL 230 20 20 (
Preußischblau).
Updates24 Mar 2025 - All vendors live. Prices posted to GB thread. Incorrect draft of Compat kit render fixed.
19 Mar 2025 - Posted GB page for the 2025 Group Buy.
29 Aug 2024 - Relaunch of updated IC (
link).
Base KitThe
Base Kit will support both standard US ANSI and the modern Polish Programmers’ keyboard localizations. This kit provides support for 60%, 65%, 75%, TKL, Alice, and 1800 layouts as well as “4-key” physical support for many 40% layouts.
Child KitsThe
Compatibility Kit kit provides additional size and legend compatibility beyond what is included in the base kit, including a 6u spacebar, 1.5u System keys, Numpad equals, and more 40s support, et cetera. Windowed keys for Number Lock, Caps Lock, and Scroll Lock LED indicators are also included.
The
NorDEUK Kit provides support for German, Swedish, Danish, Norwegian, and UK/Irish layouts.
When combined with the base and NorDEUK kits, the
German Mods kit provides the keys necessary to recreate several full German-language keyboard layouts (like ANSI-DE and HHKB-DE), similar to the
German Base Kit previously offered in 2022.
Pricing(still awaiting final numbers from multiple vendors, but they should all be similar)
Currency - Vendor | Base Compat. NorDeUK DE Mods | Notes
--------------------- | ------ ------- ------- ------- | -----
USD - CannonKeys | 135.00 60.00 45.00 45.00 | Excludes sales tax
CAD - Deskhero | 206.00 92.00 69.00 69.00 | Excludes sales tax
EUR - Eloquent Clicks | 150,00 67,00 50,00 50,00 | VAT inclusive
GBP - Prototypist | 107.50 48.33 35.83 35.83 | VAT inclusive
USD - KBDFans | 135.00 60.00 55.00 45.00 |
KRW - GEONWORKS | 214000 95000 71000 71000 |
SGD - iLumkb | 199.00 89.00 66.00 66.00 |
AUD - Cafege | 245.00 110.00 82.00 82.00 | GST / VAT inclusive
Plastic Sample PhotographsThese are photographs of the GMK-produced samples for RAL 230 20 20. They were photographed from a couple different angles and in different lighting contexts using an iPhone camera, with no color correction outside of what the iPhone does automatically.
Board RendersFull resolution renders are available on the
GMK CYL Prussian Blue Home Page.
Renders may contain inaccuracies and should not be considered the final authority on the appearance of the caps.
Polycarbonate Amano by Amano Studio in US layout. Renders by Beesley (2024-25).
Mech27 TKL in ISO-DE layout. Renders by Manzel (2022).
Bear by Jacky with Polish alpha layout. Renders by Manzel (2022).
Ripple TKL by CannonKeys with Polish alpha layout. Renders by Beesley (2024-25).
Set Comparison ChartMore
GMK Prussian Blue will include one new custom color (RAL 230 20 20). Its legends will be GMK stock white CP. Below is a diagram that compares the estimated RGB hex colors of several prior and upcoming GMK and Signature Plastics keysets with those of GMK Prussian Blue.
Full SizeMore
Prussian Blue, the chemicalPrussian Blue is a
chemical compound originally discovered in Berlin at the turn of the 18th century. It has been used in a variety of settings from art (Japanese woodblock painting) to architecture (a traditional blueprint dye) to medicine (a treatment for heavy metal poisoning).
Prussian Blue was also used for nearly two centuries to dye the military uniforms of the Kingdom of Prussia. The RAL standard and this keyset draw from this darker variant, and GMK Prussian Blue’s kitting takes further inspiration from the history of the Kingdom of Prussia itself.
The Kingdom of PrussiaThe
Kingdom of Prussia was established circa 1701 and existed until approximately 1918. Its borders changed frequently, with many of its parts split into separate enclaves and exclaves. Though it was ruled by a German-speaking monarchy, its reality was far more diverse, including regions of Germans, Poles, Lithuanians, and Silesians. For most of its existence, however, the majority of Prussian territory lay within the current borders of Germany and Poland.
AcknowledgementsThanks to my amazing wife, who has remained supportive even as my home office fills with more keyboards, keycaps, color standards, and cardboard boxes.
Thanks to my adorable daughter, who brings me such joy.
Thanks to Beesley for the beautiful updated renders.
Thanks to Afresh & konstantin for their immense help with getting the ogoneks right.
Thanks to Manzel for the original 2022 renders.
Thanks to hunghingdailo, who gifted me with a brilliant logo.
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