I would never have thought of making a wire basket myself :)
I like the cat coasters! :)
The original site doesn’t exist any more and is now only available through webarchive: Cat Coaster (DIY: Descanso para Copos.) (Portuguese)
via: Cat Coasters
The instruction shows mould making.
It is meant for butter, but I don’t know how food safe all this is.
But it surely suited for soap making.
And additionally you can find here in the blog more ideas for moulds :)