Bulldog WIP

Moreno Baruffini
Ciao Bas, seamlines are always a bad thing, if you are not satisfied with them, you have to go on sanding...

Michael Kohl
The ones in pic 8 might be filled with superglue. When applied carefully with a proper applicator only little sanding will be required.
If you decide to redo the gaps and seamlines, consider sanding the wing trailing edges too, as some mold lines are still visible there too. Silver is a mean color. You cannot hide anything. 😉

Bas Tonn
Thanks Moreno, thanks Michael, good tips !! I did a test with spraying some spare parts twice, and I noticed that masking tape leaves some hard edges, so can't use that. Some sort of floating mask is needed I think.

Skyhiker
Seams should be dealt with before priming. Super glue and sanding stick are the best way of dealing with them. It's best to sand the surface up to 1000 grit before applying primer. Afterwards additional problems can be fixed and the primer touched up. Then you should sand to 2000 before actually painting the surface.

Robert Podkoński
To deal with seamlines on concave surfaces I use this:
mojehobby.pl/product..ble-File-Holder.html
I would fill the gaps in the wing (photo #8) with pieces of stretched sprue glued into them, then sand and paint again, of course.