please post your cleaned up .3dm file, thanks
hi yup it is the 3d print. One more thinf the printing software also says that the my model is not closed body is there anyway you can help me check that too
3Dprint_new.3dm (1.4 MB)
Try moving the object to 0,0, its very far from the origin. I did this and successfully exported .stp and back again.