What size 3d print filament is most commonly bought
4 min
- 1.75mm Filament: global standard
- 3mm Filament: a niche industrial material
- How to choose the right diameter
Choosing the right filament diameter is critical to 3D printing success, but with options like 1.75mm and 3mm (2.85mm), many users wonder: Which size dominates the market? Based on global sales data and industry reports, we analyzed the most popular 3D printer filament sizes, their pros and cons, and why 1.75mm dominates.
Source: https://dyzedesign.com/2018/02/3d-printing-filament-size-1-75mm-vs-3-00mm/
1.75mm Filament: global standard
According to All3DP 2024, more than 85% of consumer 3D printers worldwide are designed for 1.75mm filament. This diameter has become the de facto standard for FDM printing due to its versatility and precision. In North America, 89% of filament sales on Amazon are 1.75mm.
Why 1.75mm Dominates:
Precision Control: Smaller diameters allow for finer details and better layer resolution, resulting in smoother, more accurate prints, especially for complex designs or prototypes. This allows for fine prints, such as miniature models and mechanical parts.
Easier Feeding and Extrusion: Thinner diameters ensure smoother feeding through the extruder, minimizing the risk of clogging and blocking, and improving the overall reliability of the printing process.
Wider Material Compatibility: 95% of specialty filaments are optimized for 1.75mm, from basic PLA to advanced composites like carbon fiber nylon.
Reduce the Risk of Clogging: Smaller melt zones reduce heat creep, lower user maintenance costs, and are suitable for entry-level devices.
Cost Efficiency: It allows you to use smaller nozzles and thermal cutouts, and you can complete the print with less motor torque. In addition, 1.75mm spools are cheaper to produce and ship, and are priced 20-30% lower than 3mm alternatives.
3mm Filament: a niche industrial material
According to the UltiMaker 2024 report, only 12% of printers currently support 3mm filament, but it is still relevant in specific scenarios:
Faster extrusion: The thicker diameter enables higher flow rates, reducing the printing time of large objects by up to 25%.
Stronger adhesion: The large diameter provides a larger cross-sectional area, resulting in stronger layer adhesion, resulting in stronger prints.
Industrial applications: Bowden systems (remote feeding through PTFE tubes) often use 3mm filaments because of their low moment of inertia, which reduces the burden on the motor. When extruding the same volume of material, 3mm filaments require only 1/3 of the motor revolutions of 1.75mm, reducing the risk of motor overheating and suitable for long prints lasting several days.
Old system support: Older industrial printers (such as early Stratasys models) still rely on 3mm ABS and PC mixtures.
Reduced tangling: 3mm’s lower spool rotation frequency allows stiffer filaments like PETG to perform better
Disadvantages: Limited material selection. Higher risk of inconsistent extrusion due to looser diameter tolerance (±0.1mm vs. ±0.05mm for 1.75mm)
How to choose the right diameter
| Factor | 1.75mm | 3mm |
| Printer Compatibility | 85% of modern printers | Legacy/industrial models |
| Print Detail | Excellent for <0.2mm layers | Better for >0.3mm layers |
| Material Variety | 1500+ options | 200 options |
| Cost per kg | 15−30 | 20−40 |
For most users, 1.75mm filament is a smart choice, offering a balance of affordability, precision, and material variety. While 3mm still retains niche industrial applications, its shrinking market share reflects the consumer 3D printing industry’s shift toward compact, user-friendly systems. Before purchasing, verify your printer requirements and prioritize diameter consistency—whether you’re printing delicate figurines or functional prototypes.
1.75mm filament is the first choice for most 3D printing users due to its wide compatibility, accuracy, and material diversity. Although 3mm filament still has a certain market in niche industrial applications, its market share is gradually shrinking compared to 1.75mm, reflecting the 3D printing industry’s shift toward compact, user-friendly printing systems. Choosing high-quality 3D printing filaments can further enhance your printing results. JLC3DP offers a wide range of high-quality 3D printing materials and accessories to meet your various needs and help you achieve the best printing experience.
Keep Learning
Top 5 Heat-Resistant 3D Printing Filaments Compared
When Regular Filament Just Doesn’t Cut It You’ve 3D printed a functional bracket for a car engine bay. It fits perfectly, looks great, and then warps into a banana-shape after a week under the hood. That’s the danger of underestimating heat. If you're building automotive components, enclosures near motors, molds, or even kitchenware, using the wrong filament can lead to deformation, brittleness, or outright failure when exposed to heat. So, you already know the solution: Choosing the right heat-resist......
Flexible 3D Printing Filament Types: TPU, TPE & Soft PLA Guide
You’re probably here because rigid PLA just won’t cut it. Maybe your print needs to flex, bounce back, stretch, or just not snap in half under pressure. Whether it’s a phone case, a gasket, a soft robot joint, or some weird wearable idea, you’re now in the world of flexible 3D printing filaments. But here’s the problem: Flexible filaments like TPU, TPE, or soft PLA aren’t all the same. Some are rubbery and forgiving, others are more like bendy plastic. Some will glide through your printer like a dream......
What Is LW PLA? How Lightweight PLA Works and When to Use It
The first time you print with LW PLA, you will genuinely think that you grabbed the wrong spool off the shelf. Pick the part up off the bed and it will feel hollow. But it isn't. Same infill setting, same model, just... lighter. Sometimes, depending on print temperature and expansion ratio, it can reduce part weight by approximately 20–50%. So what's actually going on? This guide walks through what LW PLA is, why it does what it does, and the settings that'll get you there without fighting the printer......
Is MJF Suitable for Production Parts? A Practical Engineer’s Guide
Why Engineers Choose MJF for Production Parts MJF didn’t rise just as a prototyping machine. It climbed straight into real manufacturing. The making of HP Multi Jet Fusion 3D printed parts uses a fine-grained nylon powder fused with a chemical fusing agent and precision infrared heating. That means consistent, repeatable parts without visible stepping or layered fragility. Dimensional accuracy typically sits around ±0.2 mm for small features, depending on geometry, orientation, and part size, tight en......
Choosing the Right ESD Filament for Your Application
Introduction Somewhere in an electronics assembly facility right now, someone is printing a fixture on a desktop 3D printer using standard PLA. It looks fine. It fits the board. And every time a PCB gets placed in it, static charge builds on that perfectly smooth, perfectly insulating plastic surface, right next to components sensitive to discharges that humans can't even feel. ESD filament exists specifically for this problem. It's not a premium upgrade to standard filament. It's a different material......
ABS-ESD Plastic: Properties, Applications & Selection Guide
Introduction ABS-ESD is a specialized engineering ABS plastic developed for static-sensitive environments. Most engineers encounter ABS-ESD for the first time when a PCB fixture fails an ESD audit or a customer rejects a housing because it's not made from ESD safe ABS. The part was dimensionally correct. The material was wrong. ABS-ESD plastic solves a specific problem, static charge accumulating on parts that contact or sit near electronics. It does that job well, it 3D prints reliably, and it costs ......