Parts box tray T-type

This pats tray was designed for effective use case.
Existing parts tray and carry case are fit in their inner height but some of gaps are remain.
This T-parts tray is filled up for their gap. It can makes good combination.
Carry case A4 wide type is able to purchase at 100Yen shop in Japan.
It has 38 mm heights in their inner space.

There are 3 data in this design and you can choose following options.

Option A using 1 piece. (parts_inner_T.stl)
Option B using Mini and Option bar.
(