This is Volume 3 of The Oyster Shell. In which I have included different types of details.
The size of this model can be changed easily.
There are 2 different parts of the shell which I have given 2 in STL format and 2 in OBJ and 2 in 3MF file.
VISIT HERE: https://cults3d.com/en/3d-model/home/oyster-shell-volume3-3d-print-model