I just opened a kit I had of the Centuri Skylab, and it appears that the vacuum form sheet was removed. Has anyone cloned this kit and if so how did you solve the parts needed from the vacuum form sheet? Mainly the Main engine bell. Any 3d print versions out there?

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Build floor: Estes Pro Series Jayhawk, Estes LTV Scout, Semroc Launch

In paint:
Semroc GryoRoc

Ready for 1st flight:
Estes Doorknob, SQW DSRV Gartrell, Estes SASHA, Estes Delta Star, BT60 3D Print Bomarc, thanks Texas Winds and rain.
Austin TX