Support for Alternative Layouts
This is a summary of how alternative layouts have been supported by kits such as Colevrak and Homing. It is not a discussion of alt layout performance and development, but if that interests you I highly recommend starting with Pascal Getreuer’s A guide to alt keyboard layouts (why, how, which one?). It’s a concise and comprehensive overview with links to some great sites that go deeper. He also has a separate Links about keyboards page. The Keyboard layouts doc he recommends explains layout goals and metrics in detail, summarizing the alt layouts discussed here as well as more than one hundred others. Sculpted-profile The majority of custom keycap sets are sculpted-profile (Cherry, SA, MT3, KAT, etc. - more on profiles generally here) so let’s start there. Because each row has a unique keycap shape, alt layouts require a unique keycap for each legend that moves off its QWERTY row. At first there were two The Dvorak layout was patented in 1936 by August Dvorak & William L....
Apr 23, 2024
The "sufficiently different" part is referring to the backspace (1.5u) and right shift key (1.75u) being non-standard sizes, and the added 1u fn key, but they're all covered by the Tsangan kit.
Hope this helps!
I believe you should be covered @benley as far as sizes, but you may have an incorrect label/icon on some of the 1.5u keys.
EDIT: Also, if you look here at a picture of the hacker layout top plate with the space bar switch + stabs installed, they appear to line up with the mounts on the bottom of the space bar in this kit. https://input.club/wp-content/uploads/2015/11/Build-Step-2-of-10.jpg