Grrrr.
I assumed the lower skin would fit right. It didn't. It isn't "curved" in the middle of the door, it's only curved at the flange. This resulted in a 3/8" valley below the weld.
Before all you pro's point out the importance of planishing the weld, do know that this was gas welded, planished, and the weld is f-l-a-t. The center of the patch has no 'body" to it - it's just doing what it was bent to do.
Straight at the weld:
Then what - should I have English Wheeled it? I can't get right up to the flange with the wheel.
Not impressed. May have to by full door skins.
3/8" gap half-way down the panel:
Bottom is decent enough: