CollisionBlast.com – Click the link for 9 auto body filler tips. (Auto Body Sanding) Please rate this Collision Repair Training Video. All ratings and feedback are appreciated. In this video I am doing a demonstration of auto body sanding. This video describes how to block to sand body filler using hand blocks. Would you like to receive free online diy auto body and paint training? Visit teachmehow.info to learn how.