alecalec2I believe that this is the most you can get with labeled caps.
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With blank caps you can replace all except the right shift. The TAB button may sit ok, but it is from R3 so it won't sit the same level with other keys. Another option could be to use one of 1.5 keys, but there will be gaps from left and right...
BTW, those grey caps are from Massdrop, PBT Front printed caps... They are better than those my Keycool came with (M key was lower, and I didn't like the legends prints) but still are not perfect. I have ordered Leopold blanks, hope I will be able to cover entire keyboard with those.