How to Source the Lowest‑Cost Filament Without Compromising Quality

For hobbyists and professionals alike, filament can quickly become a budget‑draining item. Below is a concise, expert‑crafted guide to help you acquire top‑quality filament at a fraction of the price.

1. Bulk Buying Pays Off

Purchasing large quantities unlocks significant discounts. For instance, Elegoo’s 10 kg, 1.75 mm Black PLA runs at $99.99—roughly $9.99 per kg. GST3D offers 48 kg bundles for €7.99–€11.79/kg, and 5 kg for €37.50 with free shipping.

Reddit user x0pherl reports ordering 10 kg from Elegoo for about $100, translating to ~$10 per spool with excellent print quality. Similar bulk savings are seen with SUNLU, where 6 kg bundles average $11.99 per kg.

2. Explore Lesser‑Known Brands

Brands such as Hatchbox, Overture, Matterhackers, Prusament, Kingroon, Jayo, Splice3D, IIIDMax, and GST3D deliver reliable filament at a lower price point. Kingroon, for example, sells 10 kg at $89.99 (US) or $97.41 with tax—just $8–$9 per spool with coupons.

3. Compare Across Platforms

Prices vary widely between Amazon, AliExpress, eBay, Alibaba, Craigslist, Facebook Marketplace, and direct manufacturer sites (eSun, Elegoo, Hatchbox, Overture, Creality). Always factor in shipping; for example, SUNLU’s Amazon price is $17.98/kg versus $10.99/kg on their site.

4. Time Your Purchases for Sales

Black Friday, Cyber Monday, and year‑end clearances can slash filament costs by 30–50%. Subscribe to community alerts (e.g., Plasticfantasticdeals, r/3dprintingdeals) and use browser extensions like Honey for real‑time coupon alerts.

5. Consider Recycled Filament

Recycled options—often sold by SUNLU—cost around $9.99 per kg and include PLA, PETG, and ABS. They’re ideal for prototypes or functional parts where finish is secondary.

6. Negotiate Directly with Suppliers

Platforms like Alibaba allow direct negotiation with manufacturers. Larger orders (e.g., 20 spools) can yield lower per‑unit prices. Don’t forget shipping costs and consider the Alibaba Sales Tax Exemption Program for US businesses.

7. Source Locally

Local distributors reduce shipping fees. Brands such as Matterhackers, eSun, and Elegoo often have nearby stores. Craigslist, Facebook Marketplace, and local 3D groups are also valuable sources for used or slightly used filament.

8. Look for Used or Open‑Box Filament

Amazon’s “Used” category and eBay’s “Open Box” listings can offer up to 50% off. For example, a 2 kg Elegoo PLA Plus in “Used: Very Good” status sells for $22.96—$11.48 per kg, well below the new price of $15.99.

Always verify the condition and factor in shipping before purchasing.

About the Author

Michael Dwamena is the founder of 3D Printerly, a platform that simplifies 3D printing for hobbyists and professionals. With over 20 printers and 900+ articles, Michael brings a wealth of experience to the community.