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We track 1,113 SUNLU filament listings across 17 materials, with prices checked every 4 hours and normalized to a true cost per kilogram. Below are the lowest-priced SUNLU spools in its most-listed materials right now, the market average per kg, and every listing sorted by price per kg.
The cheapest SUNLU spool by price per kg in each of its most-listed materials right now. See all 1,113 listings ↓
SUNLU is a high-volume filament brand offering an extensive color and material selection at accessible prices, along with filament dryers and other printing accessories.
SUNLU filament by material:
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Everything to know about PLA: properties, print settings, brand differences, and when PLA is the right material.
PETG covered: chemical resistance, layer adhesion, dialed-in settings, and where PETG outperforms PLA.
What high temperature PLA is, how annealing raises its heat resistance, and how to print and anneal it.
How lightweight foaming PLA works, how temperature and flow set its weight, and when to use it.
PLA vs PETG compared: print settings, strength, heat resistance, outdoor use and live price per kg for both, so you can pick the right filament for the job.
PLA vs ABS compared: print settings, heat resistance, toughness, fumes and live price per kg for both, so you can pick the right filament.
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