I completely understand. It is great that you want to keep some of your patterns, especially the ones you received as gifts. They are precious memories that will stay with you forever.
I'm really sorry!!! I too did the same thing many years ago: sold a lot of nice RC cars because I had given up the hobby. Luckily, though, I kept some material and a few cars that I couldn't sell. And that was my great good fortune! Because the passion for RC cars never went away completely, and...