Material Comparison

PLA vs PLA+

PLA+ is a marketing term, not a standard. Here is what actually changes between PLA and PLA+, and whether the price premium is worth it.

Last updated: March 2026

For a full side-by-side comparison of PLA, PLA+, and 6 other materials, see our master comparison table:

Materials Comparison Table
When to use
PLA

PLA is the better choice when toughness does not matter. Standard PLA offers the widest color selection, the most specialty finishes (silk, matte, marble, glow-in-the-dark), and the sharpest detail reproduction. It is also slightly lower in price per kilogram.[1] For decorative prints, miniatures, cosplay props, and prototypes that will not be dropped or stressed, regular PLA gives you more options for less money.

Ideal for: visual prototypes, tabletop miniatures, cosplay armor, decorative pieces, lithophanes, and anything where color variety or surface finish matters more than durability.

Community tip: If you are printing miniatures or fine-detail models, stick with PLA. PLA+ formulations sometimes have slightly different flow characteristics that can reduce fine detail reproduction.
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When to use
PLA+

PLA+ is worth the premium when parts need to survive impacts. Good PLA+ formulations use impact modifiers — TPU-based tougheners, copolymers, or other additives — that reduce the brittleness of standard PLA.[2] Where regular PLA shatters on a hard drop, PLA+ is more likely to dent or flex. Layer adhesion is often slightly better too, which means functional parts are less likely to delaminate under stress.

Ideal for: snap-fit clips, cable management, wall mounts, drone components, phone stands, RC parts, tool holders, enclosures, and anything that might get knocked off a desk.

Important caveat: PLA+ is not a standardized formula. Each brand uses different additives (or none at all). PLA+ from eSUN, Polymaker, or Sunlu is a genuinely different material. PLA+ from an unknown brand might be identical to their regular PLA.[3]
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The community verdict

PLA+ from a good brand is noticeably tougher. PLA+ from a random brand might be identical to PLA. That is the overwhelming consensus across Reddit, YouTube, and the 3D printing community. The material itself is not a scam — impact-modified PLA is a real thing — but the lack of any industry standard means the "+" label can mean anything from "genuinely engineered toughener blend" to "same pellets, different box."

The practical advice: if you are printing functional parts that take impacts, buy PLA+ from a reputable brand (eSUN PLA+ is the most commonly recommended). The $1-3/kg premium is worth it for clips, mounts, and enclosures. If you are printing decorative items, miniatures, or prototypes, save the money and stick with regular PLA — you will get better color selection and the same print quality.

One thing PLA+ does NOT fix: heat resistance. Both PLA and PLA+ soften around 55-60 °C. If your part will live in a car, near a window in direct sun, or next to electronics that generate heat, neither PLA nor PLA+ is the right material. Look at PETG or ABS instead.

Frequently Asked Questions

Is PLA+ actually stronger than PLA?
It depends entirely on the brand. PLA+ from reputable manufacturers like eSUN and Polymaker uses impact modifiers (often TPU-based tougheners or copolymers) that genuinely improve impact resistance — parts are less likely to shatter on drop. However, PLA+ is not a standardized formula. Some budget brands simply rebrand regular PLA as PLA+ with no measurable difference.[3] Tensile strength is usually similar between PLA and PLA+; the real improvement is in impact resistance and reduced brittleness.
Do I need different print settings for PLA+?
Barely. Most PLA+ prints at 205-220 °C nozzle temperature, roughly 5 °C higher than standard PLA. Bed temperature stays the same at 50-60 °C. Print speed, retraction, and cooling settings are virtually identical. Check the manufacturer's recommended settings on the spool label, but you can usually start with your PLA profile and bump the nozzle temp up by 5 °C.
Is PLA+ more heat resistant than PLA?
No. PLA+ has essentially the same glass transition temperature as PLA — around 55-60 °C.[1] The impact modifiers used in PLA+ improve toughness, not thermal performance. If you need heat resistance, look at PETG (~80 °C), ABS (~100 °C), or annealed PLA (which can reach 120 °C+ but warps during the annealing process).
Which brands make the best PLA+?
The community consistently recommends eSUN PLA+ as the gold standard for price-to-performance.[3] Polymaker PolyLite PLA Pro is another well-regarded option with rigorous quality control. Sunlu PLA+ and Elegoo PLA+ also get positive reviews. The general advice is: stick to established brands. PLA+ from unknown brands is a gamble — it might be genuinely modified, or it might be standard PLA with a different label.
Can I mix PLA and PLA+ in the same print?
Yes, PLA and PLA+ are compatible in multi-material setups. They bond well to each other since PLA+ is still PLA-based. You can also swap between PLA and PLA+ mid-print on a single-extruder printer (for example, color changes) without issues. The temperature overlap is close enough that a compromise setting works for both.
Does PLA+ improve UV resistance or chemical resistance?
No. PLA+ modifications target impact toughness and layer adhesion, not environmental resistance. Both PLA and PLA+ degrade under prolonged UV exposure and have poor chemical resistance compared to PETG or ABS. If your part will live outdoors or contact solvents, PLA+ will not help — you need a fundamentally different material.

References

  1. Prusa Knowledge Base — PLA. https://help.prusa3d.com/article/pla_2062
  2. Polymaker — Understanding PLA Pro (Impact-Modified PLA). https://polymaker.com/blogs/how-to/pla-pro-vs-pla
  3. Reddit r/3Dprinting — Community discussion on PLA vs PLA+ differences by brand. https://www.reddit.com/r/3Dprinting/