MSX: Daewoo CPC-300 arrow keys

These are the arrow keys on the old Daewoo CPC-300 MSX personal computer.

The files are as follows:
cpc300_LR_KEY.stl : Left / Right key
cpc300_UD_KEY.stl : Up / Down key
cpc300_LR.key_rot.stl : Left / Right key (rotated for printing)
cpc300_UD.key_rot.stl : Up / Down key (rotated for printing)