I up-scaled the cat from 260's to 350's that I put the step by step instructions up for a few months back.

may-competition-cat-t11029.html

It's difficult to tell which one is which?
The 350 design is picture one that says cat3

Here they are both together, there is quite a size difference.

The design will be posted onto BalloonTube just before Christmas made from 260's.
This is the YouTube link, https://www.youtube.com/channel/UCV8BZo ... 9Ua_9KUcAg