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3D Printed Solar Shield

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Pete49:
bloody hell man do you even know what sun is over there? :lol:
Just a bit of info for you notebook on plastics. I occasionally grab some noodle packs, the type in white plastic cups. I left it out in direct sun from December until today (not intentionally, just where I had finished it) next to my workshop and went to move it today and it turned into plastic splinters. So either sun or UV made it return to the earth  :loco:
Pete

Joules:
Here you go Pete, once every hundred years or so we get a few hours of sun.....



Couple more months and this will have done its first year.  No sign of degradation yet, houses a few spiders.  PLA rules   :poke:

Pete49:
Nice one Joules. Hope you were able to take the time and sit outside. Just another cold sunny day here at 17.4C ....glad winter is nearly over I can't cope with the cold nowdays.
I have printed a couple PLA pieces and will leave them outside and see what happens. Is it the UV that is supposed to degrade it or actual strong sunlight? I found my dashcam buckled pretty badly last summer (no longer operated)
but once I peeled the case off it was fine so considering making a case/finding a case to suit as I hate waste or throwing out good stuff  :loco:
Pete

efrench:
PLA wouldn't be my first choice for something sitting in a car window.  It will get hot enough to deform as you've seen with your dashcam.  ABS would be my first choice and I've had good success with nylon weed trimmer line.  The later requires an all metal hotend.

Joules:
I did a dashcam mount in PLA, my first total part failure, but not unexpected due to the heat at the top of the windscreen.  It did prove the design though as I have a bit of PLA knocking around.

My mate printed the final part in E3D's Edge PET filament.  It has survived all the recent sun and gone on to be my second favourite filament.

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