M3 Washer - 8 variations
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Set of 8 M3 washers (Ø3.2 mm hole) in 7/8/9/10 mm outer diameters and 0.5 mm or 0.8 mm thickness.
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- Printables
- Kategoria
- Mechanical Parts
- Licencja
- Creative Commons — Attribution
This pack includes a complete family of 8 precision M3 washers, designed for reliable, repeatable 3D printing. Each washer features the standard 3.2 mm inner hole required for M3 screws and bolts, and is available in four outer diameters (7 mm, 8 mm, 9 mm, 10 mm) combined with two thickness options (0.5 mm and 0.8 mm). This gives you a compact but highly versatile set suitable for fine mechanical adjustments, spacing, load distribution, and hardware tuning in small assemblies.
The washers are dimensionally consistent, cleanly modeled, and optimized for fast printing with excellent dimensional accuracy. They are ideal for prototyping, repairing small devices, assembling 3D‑printed mechanisms, or replacing missing hardware when you need a specific thickness or footprint.
Included Models
You get 8 individual washers, all based on the same M3 standard:
Outer diameters
7 mm
8 mm
9 mm
10 mm
Thickness options
0.5 mm (light spacing, shimming, fine adjustments)
0.8 mm (stronger support, increased load distribution)
Inner hole
3.2 mm (ISO standard for M3 hardware)
This structure makes it easy to choose exactly the washer you need depending on the footprint, spacing, or mechanical constraints of your project.
Why These Washers Are Useful
Perfect for fine‑tuning tolerances in 3D‑printed assemblies
Great for reducing friction or adjusting alignment
Useful for electronics mounting, small robotics, RC parts, and hobby mechanisms
Ideal when you need thin, precise spacers that are hard to find in hardware stores
Lightweight, customizable, and printable in minutes
Print Details (Optimized for FDM Printers)
Recommended settings
Layer height: 0.1–0.2 mm
Perimeters: 2–3
Infill: 100% (small parts print solid automatically)
Material: PLA, PETG, ABS — all work well
Cooling: ON for PLA, moderate for PETG
Bed adhesion: Not required (small footprint)
Printing tips
For best dimensional accuracy, print on a clean, well‑leveled bed
If your printer tends to shrink holes, increase the inner diameter to 3.3 mm
For maximum strength, print multiple washers at once to improve cooling consistency
If you need ultra‑smooth surfaces, use 0.1 mm layer height