Laser cutting cuts the sides in a slight wedge, widening out on the backside.
On the left, some of the laser ash has been sanded, squaring up the cut angle. This makes it easier to glue the fin on straight.
With the fin tabs in the slots,
The trailing edge is even with the end of the body tube.
Just the leading edge is rounded.
I knock off the sides with my sanding block with 220 grit sandpaper.
Smooth off the leading edge with 400 grit.
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