The clamshell bucket is a articulated several-pieces device, including two elementary buckets associated on a hinged structure forming a claw-like appendage with an internal volume.
STL (Stereolithography, filesize: 2.21 MB), OBJ (OBJ, filesize: 3.11 MB), 3DS (3D Studio, filesize: 536 KB), MAX (Autodesk 3ds Max, filesize: 544 KB)