Since I can't see the piece without the window, I recommend using a 12-14" long rigid board file ( Sanding block that takes a roll of sticky back paper. Sand with an " X" pattern all the way across, do not sand end up end.
I use a contour DSB system from Eastwood and it comes with hose to hook it to your shop vac.
__________________
" Long may we DRIVE !"
|