Have you seen: https://onion.io/2bt-may7-2019/

:O
Can't wait to see more!

DOWNLOAD LINK
https://1drv.ms/u/s!AqNL40euk5eBpUjnV6z6pCEZ-Ut7

@Enrico-Bermudez PLA has a very wide glass transition temperature range. Sitting on a car dashboard, parts will sag and conform to said dashboard. It doesn't flow well until up to extruder temperatures, but treat it a bit like a candy bar. Won't melt in your pocket though... ;)

@Jiahao-Wu good luck!
The hardest part I found was exporting to .stl. In the end I am using version 8.0.16846 of SketchUp with the plugin https://extensions.sketchup.com/en/content/sketchup-stl and it seems to work quite well.