For filament, I choose stronghero3d, hot selling pla black in Amazon rank on first page and over 1000kgs sold each week, most customer best choice, it is as cheap as only $14, when you get first sight of it , you exactly delight, it worth the price .
https/www.amazon.com/dp/B01CKU62VS
It is as supplier said "PURE PLA", it is precious because so many filament suppliers compounded cheap component infill pla. Since it is PURE, the best adhesive to platform, no warp, no bad smell, no cracking, no hair string, better shiny, strength, smooth printing, perfect result ever you see before.