The below picture shows my prototype keyboard on top, with rough machined finish and finished silver and black versions of the keyboard. This might be the first black K-Type keyboard ever. 

I have to assemble another 7 keyboards, but all the parts are here and finished. It's been a challenging project. I was lucky in that Input Club did a good job of ensuring the published files were the production version and didn't contain any big errors. I did verify dimensions prior to manufacturing but with published open source files, there is no guarantee of any kind associated with.

It's also important to note, even if you are provided the design files, you will very likely need to study the design and understand it. I spent a fair bit of time reading datasheets and learning about how the firmware works in the process of debugging the first prototype. It's rare to be able to make a complex circuit  without having to do at least some debugging. The biggest problem is that once you have the first board assembled, you have no known quantities. You don't know if the files are compiled properly, don't know if the programmer works, don't know if the PCB was assembled properly or if there is some other problem with a component. Once you have one fully working, debugging subsequent units becomes much simpler as you have a baseline and set of working tools. Without a solid foundation in electronics and manufacturing, it would have been very difficult, if not impossible, to manufacture this keyboard, even with the provided design files. I had to manufacture many custom parts and the cost far exceeded that of purchasing a retail unit. I estimate the cost of my keyboards to be 50% more than the retail cost of the keyboards. That being said, from a prototyping & manufacturing stand point, that's not a bad price for a small batch of 10 production quality units.

I very much enjoyed this project and I hope you enjoyed reading about it as well. In total this project took me 5 weeks to complete.