I have used several brands of PLA and PETG filaments in printing RC airplanes. Hatchbox has given me the best prints of any brand. True, it is more expensive, but in my opinion it is well worth it.
High-Quality Melca Black PLA 3D Printer Filament, 1Kg Spool, 1.75Mm Diameter With Precise Tolerance
30 Review
HATCHBOX 1.75Mm Silver Silk PLA 3D Printer Filament - Dimensional Accuracy +/- 0.03Mm, 1Kg Spool
32 Review
Hatchbox Brown PLA Filament For Precise 3D Printing - 1KG Spool With +/- 0.03Mm Accuracy
22 Review
YOYI 3D Printer Filament - PETG 1.75Mm 2.2Lbs(1Kg) Spool, High Accuracy +/- 0.03 Mm, 100% New Raw Material!
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π΅ IFUN 3D Rapid Resin - Low Odor Photopolymer Resin for 405nm LCD 3D Printer - Fast Curing, Standard Rigid Formula - Sky Blue, 500g
5 Review
Economic Ender 3D Printer DIY Kit With Resume Printing Function, Large Printable Area Of 220X220X250MM By Creality 3D
18 Review
High-Precision And Stable Creality Ender 3 V2 3D Printer With New UI, Silent Mainboard, Effortless Filament Feed-In, XY-Axis Tensioner, Resume Printing, And Large Build Volume Of 220Γ220Γ250Mm
11 Review
Flashforge Adventurer 3D Printer with Detachable Precision Leveling System
6 Review