now with second, blind shaft.
tree68397d1322a33cf4dd96231a8016dfba659c5f8c
-rw-r--r-- 1545 keycap-std.scad
-rw-r--r-- 2619 keycap-wide.scad
-rw-r--r-- 7826 shift.scad
-rw-r--r-- 8419 shift_wide.scad