Voron Filament Comparison — Best Brands for Voron Printed Parts and Printing

Materials Comparison Printing

Choosing the right filament brand for your Voron can be overwhelming. There are dozens of manufacturers, hundreds of SKUs, and endless opinions on forums. This guide cuts through the noise with direct comparisons of the best filament brands for every Voron use case — from the ABS printed parts needed to build your printer, to prototyping materials, specialty filaments, and direct-from-China sourcing strategies. Last updated: May 2025.

We evaluate brands based on five criteria: print quality (surface finish, accuracy, consistency), mechanical properties (layer adhesion, impact strength, temperature resistance), ease of printing (warp resistance, stringing, adhesion), availability (where to buy, stock consistency), and value (price per kilogram relative to quality).

Quick Reference — Best Brand for Each Use Case

ABS Brands — For Building Your Voron

ABS is the default material for Voron printed parts. These are the parts that hold your printer together — gantry mounts, AB drive units, extruder bodies, screen mounts, and panel clips. Getting the right ABS brand matters because these parts must survive years of vibration and chamber heat.

eSun ABS+ (Best Overall for Voron Parts)

eSun ABS+ is the most popular ABS for Voron builds for good reason. It has lower shrinkage (0.4-0.6%) than standard ABS, reduced odor, and excellent layer adhesion at 240-250°C. The material flows well and produces clean parts with minimal stringing. eSun ABS+ is also the most widely available ABS — you can find it on Amazon, AliExpress, and at most 3D printing retailers. Price: $18-22/kg. The value proposition is unmatched.

Best for: First-time Voron builders, budget-conscious builds, and anyone who wants reliable ABS without premium pricing. The only downside is that color options are limited (14 colors) compared to Polymaker.

Polymaker ABS (Premium Choice)

Polymaker ABS is a premium ABS with exceptional consistency (diameter tolerance ±0.02mm), very low odor, and slightly better mechanical properties than eSun ABS+. It prints at 250-260°C with a 100-105°C bed. Layer adhesion is excellent — parts feel dense and solid. Polymaker also offers PolyLite ABS in a wider color range (22 colors). The downside: it costs $28-35/kg, which is 50% more than eSun ABS+.

Best for: Builders who want the highest quality ABS parts, color-critical applications, or who are sensitive to ABS fumes. Also a great choice for parts that will be used in higher-temperature environments.

KVP ABS (High-Temperature Blend)

KVP ABS has a glass transition temperature of ~108°C (vs ~100°C for standard ABS). It requires higher printing temperatures (255-265°C) and a 105-110°C bed. The material is significantly more warp-resistant than standard ABS. KVP ABS is popular in the Voron community for parts that will be in the hottest areas of the chamber (electronics bay components, hotend mounts). Harder to source than eSun or Polymaker — mainly available through KVP's own store. Price: $25-32/kg.

Best for: Voron builds in hot climates, enclosed printers that run at high chamber temperatures (70°C+), or parts near the hotend and heater block.

Sunlu ABS (Budget Option)

Sunlu ABS is the budget alternative at $12-16/kg. Quality is less consistent than eSun — diameter tolerance is wider (±0.05mm), and some spools have moisture issues. However, many Voron builders have successfully used Sunlu ABS for non-critical parts. The material prints at 240-255°C. Layer adhesion is adequate but not premium. Best considered as a prototyping material or for parts that don't need maximum strength. Price: $12-16/kg.

Best for: Budget builds, non-structural parts, or as a lower-cost alternative when building multiple Vorons.

Polymaker ASA (UV-Resistant Alternative)

Polymaker ASA is the UV-stable alternative to ABS. It prints similarly (250-260°C, 100-105°C bed) but with slightly better layer adhesion and UV resistance. ASA is the better choice if your Voron sits near a window or in a sunlit room. The material is more prone to stringing than ABS but produces parts with a slightly glossier surface finish. Price: $30-38/kg.

Best for: Vorons placed in sunlit rooms, printers near windows, or outdoor enclosure components. Also recommended for white and light-colored parts that would yellow with ABS.

PLA Brands — Prototyping and Test Fits

PLA is not suitable for Voron structural parts (it creeps under load and softens at chamber temperatures), but it is ideal for prototyping, test-fitting, and printing non-structural accessories. Many Voron owners keep a spool of PLA+ for rapid iteration.

Polymaker PolyTerra PLA (Best for Prototyping)

PolyTerra PLA prints beautifully at 190-220°C with excellent layer adhesion and a matte surface finish that hides layer lines. The cardboard spools are biodegradable. Color range is excellent (18+ colors). The material is stiffer than standard PLA, making it better for functional prototypes. Price: $20-25/kg. The matte finish makes parts look closer to ABS than glossy PLA does.

Best for: Voron mod prototyping, test-fitting printed parts before printing in ABS, and non-structural accessories.

Overture PLA Pro (Tough PLA)

Overture PLA Pro is a PLA+ blend with significantly higher impact strength than standard PLA. It prints at 200-230°C and produces parts that are noticeably tougher than standard PLA. Good for parts that might see impact or flex during testing. Price: $18-23/kg.

Best for: Functional prototypes that need more durability than standard PLA offers, but don't warrant the hassle of ABS or PETG.

eSun PLA+ (Budget Prototyping)

eSun PLA+ is a reliable, affordable PLA+ that has been a community standard for years. It prints cleanly at 205-225°C with minimal stringing. Layer adhesion is good. The main advantage is availability and consistency — eSun has excellent quality control for a budget brand. Price: $15-20/kg.

Best for: High-volume prototyping, draft prints, and test pieces where cost per part matters more than surface finish.

PETG Brands — Functional Mods Without Enclosure

PETG is excellent for Voron mods that don't need a heated chamber. It is stronger and more heat-resistant than PLA but prints without the hassle of ABS.

Polymaker PolyLite PETG (Best Overall PETG)

PolyLite PETG is the cleanest-printing PETG available. Dimensional accuracy is excellent (±0.02mm), stringing is minimal (for PETG), and surface finish is glossy and smooth. Prints at 230-240°C with a 70-80°C bed. Available in 16 colors including translucent options that look stunning with Voron LED lighting. Price: $22-30/kg. The gold standard for PETG on Voron.

Best for: Voron mod parts, electronics enclosures, fan shrouds, and any part that benefits from PETG's toughness and ease of printing.

Prusament PETG (Premium)

Prusament PETG is made by Prusa Research in their Czech production facility. Quality control is exceptional — each spool comes with a QR code linking to the production batch data. Diameter tolerance is ±0.02mm. Layer adhesion is outstanding. The material prints beautifully at 235-250°C. Price is high at $30-36/kg, but the quality is consistent from spool to spool.

Best for: Printers who want the absolute best PETG quality and are willing to pay for it. Also excellent for translucent and clear prints where optical clarity matters.

Overture PETG (Best Value)

Overture PETG balances price and performance well. It prints at 230-245°C with good layer adhesion and acceptable stringing levels (manageable with retraction tuning). Diameter tolerance is ±0.03mm — good for the price point. Price: $18-24/kg. Available on Amazon with Prime shipping.

Best for: Everyday PETG printing where cost matters more than absolute quality. A solid choice that won't disappoint.

Specialty Filaments — Advanced Materials for Voron

PC-CF Brands

Polymaker PC-CF ($55-70/kg): The top recommendation for Voron high-temp parts. Carbon fiber filled polycarbonate with excellent stiffness, low warping, and beautiful matte finish. Prints at 280-300°C with a 130-150°C bed. Requires an all-metal hotend and hardened nozzle. This is the material Voron parts should be made from if your budget allows.

3DXTech PC-CF ($65-85/kg): Premium American-made PC-CF with excellent consistency. Slightly better layer adhesion than Polymaker, but harder to source. Available through MatterHackers and 3DXTech's own store.

Priline PC-CF ($30-45/kg): Budget PC-CF from China. Requires aggressive drying (12+ hours at 90-100°C) and careful tuning. Diameter tolerance is wider. Good value for large structural parts where perfect surface finish is not critical.

Nylon (PA) Brands

Polymaker PA6-CF ($55-70/kg): The best carbon fiber nylon for Voron. Excellent warp resistance, matte finish, and reliable printing. Pre-dried and vacuum-sealed. The go-to for nylon parts.

MatterHackers NylonX ($55-75/kg): PA6 + carbon fiber with excellent impact strength. Slightly easier printing than Polymaker (lower temperature requirement). Good color options (carbon fibers are pre-colored).

eSun ePA-CF ($35-50/kg): Budget PA-CF from a familiar brand. Good value for the price. Slightly more stringing than premium brands but functional parts are excellent. Best entry-level nylon.

TPU/Flexible Brands

NinjaTek NinjaFlex ($45-60/kg): The gold standard for flexible filament. Shore hardness 85A (standard) or 75A (softer). Excellent layer adhesion and elasticity. Prints at 220-235°C with very slow speeds (20-30 mm/s). Requires a direct-drive extruder (Voron standard) and a filament path with minimal friction.

Polymaker PolyFlex ($35-50/kg): Good TPU that is slightly easier to print than NinjaFlex. Shore hardness 90A. Prints at 220-240°C. Less elastic than NinjaFlex but with better surface finish.

eSun eTPU ($25-35/kg): Budget TPU that works well for non-critical flexible parts. Shore hardness 95A — stiffer than NinjaFlex. Good for vibration dampening feet, cable clips, and flexible hinges.

High-Temperature (PEEK/PEKK)

PEEK and PEKK are ultra-high-performance materials for Voron components that must survive extreme temperatures (250°C+ continuous). These require a 400-450°C hotend, a 150-200°C bed, and a 100-150°C chamber — modifications far beyond standard Voron specifications. Victrex PEEK ($300-500/kg) is the industry standard. 3DXTech PEEK ($250-400/kg) offers a more accessible option. These are not beginner materials — they require specialized knowledge, extreme chamber insulation, and typically an all-metal frame with modified electronics.

China-Direct Sourcing — Getting the Best Prices

Many Voron builders source filament directly from Chinese manufacturers to save 30-50% compared to Western retail prices. Here is what you need to know:

Alibaba and AliExpress

AliExpress: Best for small quantities (1-10 spools). Search for "ABS filament factory price" or "PETG filament bulk." Reputable sellers include: eSun Official Store, Sunlu Official Store, Geeetech Store, and Eryone 3D Store. Look for sellers with 97%+ positive feedback and at least 500+ orders. Shipping costs: $5-15 per spool (economy), $15-30 (expedited). Delivery time: 15-30 days for economy, 7-14 days for expedited.

Alibaba: Best for bulk orders (20+ spools or 50+ kg). Contact suppliers directly for quotes. Minimum order quantities vary: some require 50kg minimum, others will do small trial orders. Key search terms: "ABS filament 1.75mm," "3D printer filament factory," "PC-CF filament wholesale." Major factories: ESUN Industrial (Shenzhen), Polymaker's OEM factory (Jiaxing), and several Shantou-based manufacturers. Payment: usually via Trade Assurance (AliExpress-style protection) or letter of credit for large orders.

Factory-Direct Brands

Some brands sell factory-direct at prices close to wholesale. Kingroon PETG and ABS ($10-14/kg) from their official store. IIID Max PETG and PLA ($12-16/kg) direct from their site. Priline PC-CF and PA-CF ($28-40/kg) from their AliExpress store. These brands have less consistent quality control than premium brands but offer exceptional value for high-volume printing.

Shipping and Customs Considerations

When sourcing from China, factor in: (1) Shipping cost: filament is heavy (1kg per spool + packaging) — shipping for 10kg can be $50-100. (2) Customs duties: check your country's import duties for 3D printing filament (typically 0-5% for filament classified as "plastic monofilament" HS code 3916.90). (3) Delivery time: plan 2-4 weeks ahead and order before you run out. (4) Minimum orders: some factories require 50-100 spool minimums for the best pricing ($8-12/kg at this volume).

Group buys: Many Voron community members organize group buys to hit factory minimums and split shipping costs. Check the Voron Discord #materials channel for active group buys. This is the most cost-effective way to source premium filament (Polymaker, eSun) at near-wholesale prices.

Brand Comparison — Key Specifications

Which Filament Should You Buy for Your Voron?

For new Voron builders: Buy 3-4kg of eSun ABS+ ($18-22/kg) in your chosen color. This is enough to print all Voron structural parts with some margin for reprints. Add 1kg of Polymaker PolyLite PETG ($22-30/kg) for non-structural mods and 1kg of eSun PLA+ ($15-20/kg) for prototyping. Total material cost: approximately $90-120 — less than the cost of a single Bambu Lab AMS unit.

For experienced Voron users upgrading to high-temp materials: Invest in 1kg of Polymaker PC-CF ($55-70/kg) for critical structural parts (print Voron parts in PC-CF for the ultimate build). Add 1kg of Polymaker PA6-CF ($55-70/kg) for wear-resistant parts. Use eSun ABS+ for everything else. Total: approximately $110-140 for premium material.

For budget builders: Use Sunlu ABS ($12-16/kg) for Voron parts and Kingroon PETG ($10-14/kg) for mods. Expect more tuning and less consistency, but functional parts will still work. Total material cost: approximately $50-70 for a complete printer plus spare parts.