201  Chapter  9  Nonstructural  Panel  Repair  Copyright  Goodheart-Willcox  Co.,  Inc.  Goodheart-Willcox  Publisher  Figure  9-57.  A—Use  the  undamaged  metal  around  the  filler  as  a  guide  when  sanding  low  crown.  B—Position  the  sanding  stick  flat  to  sand  medium  crown.  The  body  filler  has  been  applied  over  epoxy  primer.  C—Hold  the  sanding  stick  on  edge  to  sand  high  crown.  D—Bend  the  sanding  stick  to  sand  double  crown.  Sanding  stick  A  C  B  D  Goodheart-Willcox  Publisher  Figure  9-58.  A—A  low  spot  prevented  featheredging  in  this  area  of  body  filler.  B—This  area  is  low  after  block  sanding.  Low  area  A  Low  spot  B