After the old forum software breaking in a way that we were unable to fix, we've migrated the site to a new platform.
Some elements aren't working as we'd hoped - some avatars didn't survive the transition, and we're still having issues with attachments that weren't added as inline images, but we're hoping to have that all sorted out soon.
black plastic rubbish drum , $8 (+/-) from Bunnings
two potplant rollers, must be large enough for drum to stand on, and same size then fits into drum. $18 from Bunnings
cut hole in bottom of drum, break off wheels from one roller.
bathroom exhaust fan, $18-24 from Bunnings, cut hole in drum lid and mount fan, must blow outwards
cut piece of shade cloth to cover hole in bottom
fit broken pot roller into drum, must be removable,
put drum on good roller, lid on and finished!