deskthority

No need to modify the "diagram" - It is conceptually perfect.

K07 Hinge Type Option

The K07 hinge type looks like it might work! Also, the "Installation Instructions" from your link demonstrate the assembly well at:
http://www.machinaelectronics.com/blog/hinge-type-k07/

Sourcing parts from this keyboard may require using something like "knipex tools sheet ...

Can somebody help me find more keyboards with scissor switches like the rendered image on the deskthority wiki? I want to source parts to produce individual scissor switches for DIY projects.

Specifically I am looking at:
https://deskthority.net/w/images/thumb/e/e0/Scissor_switch_mechanism.svg ...