I'm fine buying from overseas if anyone can think of any that would ship to Australia.
Reason I'm looking for them is that I'm a writer and my vision has been decreasing steadily over the years, and my optometrist said there's a chance I might go blind in the future. Raised letters on my keyboard would be much, much easier for me to get used to as a guide for making sure I'm hitting the right keys if I do go blind rather than having to learn braille. I'd have to learn braille to some extent, obviously, but I'd still prefer raised letters on my keyboard.
I've seen some keycaps that have things like raised skulls/etc on them, so I didn't think it'd be too much of a stretch to find raised lettering. Looks like I might have to see if I can get any specially made.
That kinda sucks
My eyes are gradually going, but I have a good few years left I hope!
The biggest problem with these, whether raised letters or braille, is that each keycap is unique.
The skull and other designs are a single design with a single profile i.e. they are designed for the top row only (mostly).
For an ergonomic layout you would need the different height keys for each row, and a unique raised pattern on each key.
I'd suggest if you are looking at potentially learning braille, it would be better to start with braille keycaps from the start.
You might, might, also be able to raise some interest with visually challenged groups perhaps to make a few sets of braille keycaps, which might help to lower the costs a bit.