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What 3D printing material to use for object inside a car? Temperature test

Few times I wanted to 3D print an object which will be inside my car, but I was not sure which material to use. On internet there are so different information, but they must be different, depend where the author lives. So, I decided to do my own test with 7 materials. On test probes I placed M10 screw nut, just to add minimal load to objects. I chose 10 very hot days in a row, during this test, I always placed my car on hottest sun, turned to the South, but since here in Budapest (45° latitude) summer is not too hot, last part of the test is simulating higher temperatures in oven. Contents: 0:00 introduction 1:18 tested materials 5:16 about temperatures inside car 7:14 testing from day 1 to day 10 15:57 analyzing test probes after 10 days 17:14 oven test 18:34 conclusions Materials in this test: PLA+, Gembird HT PLA, 3Dee PolyPlus PLA, Polymaker PETG, Herz ABS, Prusament ASA, Prusament Nylon, Gembird (only in oven test) Elegoo Water Washable Photopolymer resin printed on Elegoo Mars Other materials and methods: - Prusa MK3 3d printer, - Elegoo Arduino Uno R3 - LM35DZ temperature sensors, - Analog 1-100°C thermometer Budapest Latitude: https://latitudelongitude.org/hu/buda... Test probe can be downloaded from my website: http://www.mytechfun.com/video/58 Parked car temperatures: https://www.carrentals.com/blog/tempe... Mentioned Arduino data logger video: (soon) Support my work over patreon:   / mytechfun