The shroud was printed up using the Transition Tool from the Payload Bay website HERE:
Print up the shroud cone on 110 lb. cardstock.
Tube 1 size is an ST-7 at .759"
Tube 2 size to fit the centering ring is 2.08"
Length is 3"
(The original adapter fits a ST-20 tube which was 2.04" diameter. I made mine slightly bigger for a longer lip on the bottom.)
You can see I've drawn the gluing tab in pencil.
On this shroud, the tab is cut off and glued inside (or under) the two butted shroud sides.
Cut the straight sides and glue tab with a straight edge and single edge razor blade.
Cut the curves with scissors.
To be sure the top and bottom curves are round, run a sanding block and 400 grit sandpaper around the sides to remove any high spots.
Set a small piece of 400 grit around a finger to round up the upper inside curve.
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