About this 3D model

A sliding key ring for two keys whose diameter is 24mm and 2.1mm thick. You will need: 6 neodymium magnets of 5x1mm, to be forced in. 4 screws. glue, glue putty or cyanolite to fix the keys to the sliders. a little silicone grease or candle to facilitate the sliding. Works every day at home for over 6 months...