Thea's work is immaculate, and always an interesting read. Her synthesizer modules use FR4 PCBs as the front panels as well, a technique that's pretty popular but executed so well it's beautiful. [1] Even her documentation is made with care; when I have more disposable to spend I'm definitely buying a module.
[1] - https://twitter.com/micktwomey/status/1383527521744867338/ph...