I just finished printing a PEBA basketball using a file I got through Thangs. It took 2.5 days with the slower print speeds but looked pretty good as it went. I noticed that the supports were stringy and the ball itself shook as it printed but there were no obvious print problems. I took it off the plate and dropped it on the floor. It just stopped, no bounce. The ball itself was flaccid, easily crushed and had little rebound. A tennis ball I printed with the same material from SainSmart bounced beautifully. Same settings, same material, same honeycomb structure. I can tell the material needs to be more rigid to return the energy without converting it to distortion and heat. Does anyone know of an stl file that bounces well? I want one to donate to a local park with hoops.
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Interested to know if you found any answers after this…