Catfish rudders

My Catfish rudder cracked and need to replace or fix.
Any suggestions?
Pam,
If you do not get any replies about replacing the rudder, take some pictures and post them in this thread. There are lots of master repair personalities here. Someone will know how to fix it, regardless of materials used, unless it has been through the shredder...

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Sheet In!
Bob
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Prindle 18-2 #244 "Wakizashi"
Prindle 16 #3690 "Pegasus" Sold (sigh)
AZ Multihull Fleet 42 member
(Way) Past Commodore of Prindle Fleet 14
Arizona, USA
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Well, GOLLEE! Those little flippy things hangin off the back of a boat do all that? Dang! icon_evil