3DS MAX – Micro Reference Manual – Animation – Constraints – Attachment
It can drive:
– Position
The Attachment constraint is a position constraint that attaches an object’s position to a face on another object (the target object doesn’t have to be a mesh, but must be convertible to a mesh).
GENERAL
1. Create a big Sphere, convert to Poly
2. Create a small Box, convert to Poly
3. Select the Box> MAIN TOP MENU> Animation> Constraints> Attachment Constraint
4. You will see in the viewport a rubber band> click over the Sphere
5. The Box move over the Sphere surface
6. You can animate the Sphere surface
