I've always liked the dual fin design and bold graphics.
I couldn't find a fin pattern so I looked up a rocksim drawing on rocketreviews.com.
This was copied and dropped into Corel draw.
To do the quick downscale, a circle was drawn to 1.325", the diameter of the Monarchs BT-55 tube. The drawing was reduced to match the tube diameters. This also reduced the size of the fin templates.
A print was made and the patterns cut out.
Now . . . how to cut new fins using the existing kit laser cut balsa sheet.
Groovy! The Optima is a classic, even if the color purple isn't be of my favorites.
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