As a matter of fact, I did, but I abandoned the PP material, and got me some easyfitt 22mm pex tube.
I think there's some footage of it in this clips;
Well, it's products on sale here in Europe. I've done a quick search in Australia, but can't find them there.
If you are looking for straight pipe, you could do the same thing I described, just reversed. Fill the tube with sand, heat it, and pull it straight.
This is the site for one of the...
Maybe interesting for those who do not have access to air seeder hose, or HDPE tubing, or PEX tubing;
This weekend I have been experimenting with 32mm white PP/PE pipes intended for indoor sewage. These are rigid pipes, but when filled with sand, and after applying heat by a heat gun or...