Another interesting demo on Hackaday: https://hackaday.com/2012/12/31/make-your-own-plastic-friction-welder/ https://hackaday.com/2012/12/31/make-your-own-plast

Another interesting demo on Hackaday: https://hackaday.com/2012/12/31/make-your-own-plastic-friction-welder/ https://hackaday.com/2012/12/31/make-your-own-plastic-fricti...