Originally Posted by hcmbanjo

I designed most of my carded models to wrap around a BT-5 tube.
The wrap skin was drawn up to roll and fit a body tube.
I found most single layer carded model tubes to be weak and not last through many launches.

These smaller models have friction fit engines.

Here's the entire carded model build from finished model to start:
http://modelrocketbuilding.blogspot...rch/label/A.S.P.