I have seen some balloon topiarys and wanted to give them a try. I'm unsure how to make a stable enough base and then a stem without using a pipe or anything so it would be strong enough to support it's self. I was going to do something like a tak weave for the stem but don't know if this would be rigid enough. I read a post about the tak weave but didn't fully get it.

Hope that make sense.

I wanted to make them pretty tall say 6ft

There are a few You Tube videos about the tak weave, you need to be careful as some are not a tak weave but just a chain link. I think there are a few threads on here if you hit the search button about them. This is one thread but I think there may be more; tak-weave-t3987.html?hilit=tak weave
Just forund another thread; heart-frame-t3975.html?hilit=tak weave