Who is holding the line
Polar Filament, based in Troy, Michigan, posted to social media confirming that pricing would not change. The company stated that its core inputs are all domestically sourced, including resin pellets from US producers, color additives, packaging, and the spools themselves. The company is building its own injection molding capability so spools are produced in-house rather than imported.
Printed Solid, based in Newark, Delaware, has taken a similar position. CEO David Randolph has emphasized the value of local sourcing and has been one of several US filament executives publicly highlighting the supply chain difference now that tariff costs are flowing through to consumer prices on imported brands.
A common thread runs through these announcements: NatureWorks, a US plastics company that produces raw PLA pellets from corn grown in Nebraska. Multiple American filament makers source their PLA from NatureWorks, which means the entire supply chain from feedstock to finished spool can stay inside US borders. That insulates pricing from international trade conditions.
Why now
Tariffs on imported filament have been the single biggest force on consumer pricing in the past year. Brands that depended on Chinese manufacturing initially absorbed the impact through warehouse buffers. As those buffers run out, prices are reflecting actual landed costs. Polymaker's announced 10% increase effective May 1 is the most visible example, but it is not isolated. Several other major imported brands are quietly adjusting prices as 2025 inventory clears.
For US-based makers, none of that matters at the cost level. Their inputs are not being tariffed, their freight does not cross oceans, and their suppliers are inside the same trade environment they sell into. What was previously a price disadvantage compared to high-volume Chinese imports has narrowed considerably. In some product categories, US-made filament now competes on price with imported alternatives, not just on supply chain ethics.
What this means for buyers
If you have not tried US-made filament because you assumed it cost more, the price gap may now be smaller than you remember. Compare against your usual import brand on a per-kilogram basis before defaulting to what is familiar.
What to evaluate
Quality from US-based makers varies, just like it does with imported brands. Polar Filament and Printed Solid both have strong reputations in their respective communities, but neither is in the same volume tier as Polymaker or eSUN. Diameter tolerance, color consistency, and bed adhesion are the three things most users notice. Both brands are competitive on those metrics within their product lines.
The real consideration is product range. Imported brands have wider catalogs covering dozens of materials. Most US-based makers focus on PLA and PETG, with selective ABS and specialty options. If your work depends on engineering grades like nylon or polycarbonate composites, you will likely still need imported brands for those specific use cases. For the bread-and-butter PLA and PETG that most users print most of the time, the US options are now genuinely competitive.
Compare current pricing
The tracker monitors pricing across the brands we cover so you can see effective per-kilogram costs side by side. The PLA listings and PETG listings show the current state of the market. For deeper context on which brands are worth your shelf space and why, the filament brands guide covers the editorial side.