Carded Mini Goblin Build, Part 3, Fin Prepping

One side of the cereal box (central core) has printing on it.

Sand down and rough up the inked side with some 400 grit.

Be ready, that dust can get everywhere.

Using a straightedge and sharp knife, cut one edge straight and square. This will end up being the leading edge of the fins.

Roll over the flat leading edge with some 400 grit sandpaper.

This rounding will give you a tighter fit of the folded 110 lb. printed skin cover.

Before cutting out the fin cover skins, 

Spray the printed side of both the 20 lb. and 110 lb. with clear acrylic. Paper skinned models can get dirty from handling.

Emboss a fold line down the leading edge with a straightedge and a non serrated tip of a butter knife. 

Here you can see the embossed line down the leading edge fold.

The emboss line helps get a sharper, straight fold.

Note one side of the fin skin is wider than the other. This guarantees full color coverage when the fin is cut out.