frame and key-top for M5StickC CardKB HAT

This THING is a frame & key top for CARDKBD-HAT. This may make CARDKBD-HAT typing a little easier.

There are only two parts.
Please refer to the pics for how to make.

M5Stick CardKB-HAT ; https://docs.m5stack.com/#/en/hat/hat-cardkb
M5Stick ; https://docs.m5stack.com/#/en/core/m5stickc

-STL file.
t47_btm.stl ; frame
t47_ktp1.stl t47ktp2.stl (update-11/16_2019) ; key-top

-CAD DATA.
CardKBHAT_t47.stp ; step format file

[update-11/16_2019]
...The key-top part has been improved.

-STL file.
t47ktp2.stl ; key-top

-CAD DATA.
t47ktp2.stp ; step format file