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I chose the values as shown in my first post, using maximum & minimum values of the 3 parameters , height, diameter & aspect ratio to provide insights into design and behaviors of pips rubbers. The calculations were made for the third parameter using minimum or maximum values for other two p...

Please refer to ITTF Tech Leaflet T4 for information on pip dimension limits The table below shows some ample calculations based on pre-1999 & post 1998 (current) ITTF specification but proposed fair values for a level playing field (to promote spectator presentation) . . Aspect Ratio Calculatio...