Sword Through Ring Magic Trick

This design uses no external parts and is completely fastener-less. The spring that is used is 3d printed. Please note that if the spring is left compressed for too long (over 2 hours) it will eventually lose its compression strength and will need to be replaced. The spring is designed to be printed with no supports. However there is a file that uses supports if you are having printing issues. Commercial licensing please visit - https://www.patreon.com/c/MeasureOnce PRINT SETTINGS FOR SPRING TEMPERATURE 230C-250C USING A LOWER TEMP WILL RESULT IN POOR LAYER ADHESION (SPRING BREAKING). WALLS 4 SPRING SHOULD BE PRINTED SOLID. 4 WALLS WILL ACHIEVE THIS. WAYS TO REDUCE THE SOUND: The assembly does make noise when the spring plate is released and shoots up into the TopCover. This is due to friction from the plastic on plastic sliding surfaces. Reduce the layer height of the parts and sand down the walls of the sliding surfaces. Add PTFE lubricant or wax to the sliding surfaces. This can red