A polyester resin, dissolved in styrene, is hardened by mixing with a catalyst. The resin is often used with glass-fibre reinforcement to give glass-reinforced plastic (GRP). Small scale repair kits use similar materials but with the catalyst supplied as a paste.

This is a compilation of the articles about 3D printing that have appeared in Futureminds over the past three years.

They span designing for 3D printing, types of printers, teaching schemes and safe use of these machines in a school.

This edition of Futureminds is full of food! Lots of interesting articles from the world of food, as well as articles about plastic recycling and the UAV drone show.

There are also updates from the work at CLEAPSS and, of course, the small print.

The cutting of expanded polystyrene by means of a wire heated to about 300 °C.