designed by Sylwia Ulicka Rivera. Made from rubber treated to be very elastic and spongy this unusual piece weighs less than 3 kgs and juts out only from the wall. A flexible drainpipe starts above the central point of the tub making it easy to fold up.
This amazing Bangladeshi air cooler is made from plastic bottles and uses no electricity An inventor in Bangladesh created a DIY air cooler with discarded plastic bottles, and he's giving the plans away for free, just in time for summer.
Quadsaw Square Hole Cutter -- Quadsaw can cut a perfectly square hole in drywall/plasterboard in under ten seconds. The tool mounts to any drill that produces 1800rpms and it features 4 blades that buzz through the wall with precision & minimal dust. It is adjustable to also cut rectangular holes as well as adjustable depths.