This is a 3d STL file that will work with 3d printers, specifically Bambu Lab printers. The file is of a 3d printed Turtle shell that is in half, has holes and allows students tread sinew through holes to connect the two shells to create a rattle. 
 
Please note, when importing to 3d machine, make sure to keep the size as "mm". 
 
This file is not for commercial use. Education only. Artist Shana Yellow Calf holds all copyright and patent on file. 
 
Any issues, please contact us.