the bubble foil can be formed pretty well, with a few slits where needed to fit strong curves .... but definitely not needed, and I wouldn't expect it to hold up well for a long time

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics