This is a smal case to hold the TBS ND-Filter's and some microSD cards.
It is a dual-color print. you have to swap the Filament two times, switching from PLA to TPU and back.
PLA is for rigidity and TPU is for the hinge and a "soft" housing for the filters.
ND-Filters: https://www.team-blacksheep.com/products/prod:ndfilter_nd8
Print Settings:
Supports: No
Resolution: 0.2mm
Infill: 40%
Filament brand: SainSmart and dasfilament
Filament material: PLA and TPU
Notes:
2xND-2xSD:
0 - 2mm - PLA
2 - 5mm - TPU
5-7.5mm - PLA
4xND-4xSD:
0-1.8mm - PLA
1.8-4mm - TPU
4-6.4mm - PLA
The author hasn't provided the model origin yet.