Next I block sanded the flange on the bed corner. I used tape again on the raise stamping to protect it from being marred by the sanding block.
You can see that the edge of the block cut an even radius into the corner of the flange against the bed corner panel.
Once the flange was sanded flat, I re-guidecoated the flange and masked out the flat part and 1/2 of the radius in the corner.
The masking tape protects the already flat flange, and blocking the corner panel into the flange cuts the other half of the corner radius flat and straight.
You end up with a perfectly flat flange, a corner radius that is straight and even top to bottom, and the corner panel blends perfectly into the radius/flange.
