you can try to use the Hierarchy of "Parent and child" in 3dsmax. Right column>>Create Tab>>Helpers>>Dummy. 1.鼓身link to dummy01 2.鼓棍 link to dummy02 3.dummy01+dummy02 link to dummy03 4.dummy03 is the Parent. Hope this help
香港 3ds max 用戶組
cg is for fun, not for money.
otherwise, cg is not yours.