stackable trays with bins - half size

THIS IS NOT TESTED! (I hope next month i can buy some filament to test it out)
If you want a different size bin, let me know and i'll add it.
any feedback on design / functionaility is welcome :)

Other sizes
Original: https://www.thingiverse.com/thing:2826597

Custom bins and trays
headers: https://www.thingiverse.com/thing:2828664

Original sizes
Here are the original sizes in which I designed this. If you keep the scaling the same you can increase or decrease the sizes easily.
On the tray holder set the scale to 1.333 (or increase with 33.33%) for a 4x4 grid tray.
Tray holder
Total: 150mm x 150mm x 15.75mm
Inner space: 147mm x 147mm x 12.25mm

1 grid box
Total: 48.5mm x 48.5mm x 10.25mm
Inner space: 45.5mm x 45.5mm x 9mm

2 grid box
Total: 48.5mm x 97mm x 10.25mm
Inner space: 45.5mm x 94mm x 9mm

3 grid box
Total: 48.5mm x 146mm x 10.25mm
Inner space: 45.5mm x 143mm