epa10592398 Pornthep Lerttevasiri of Thailand presents his invention, a slot taper joint uses a modular system to assemble toy and vehicle structures to create pivot points for doll joints, at the 48th International Exhibition of Inventions, New Techniques and Products, in Geneva, Switzerland, 26 April 2023. Nearly 850 exhibitors from around the world are presenting around 1,000 products hoping to catch the eye at the 48th International Exhibition of Inventions, which runs from 26 to 30 April 2013. EPA/MARTIAL TREZZINI
