Very interested! :D
On one of your old keycap performance sheets you list 3 different heights for the "Standard (M8)" profile, any possibility of you reviving all 3?
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(https://i.imgur.com/ZWJS8VT.png)
So in this sheet the cylindrical profile is standard Cherry (why we call it CYL now - just to differentiate from MTNU which is spherical) - the M8 profile is interesting though. I'm not sure what we have of those still, but I can look into it. I'm assuming that we would also not have quite a few molds that modern group buys would want, but I can do some digging. For the near foreseeable future though I'm going to try to just concentrate on the vintage spherical profile - if there seems to be enough interest in the M8 stuff I can make another thread for them.