Top 10 Must-Have 3D Printing Accessories & Tools in 2026
Why Accessories Matter
A 3D printer is just the beginning. The right accessories can dramatically improve your print quality, reduce failures, and make the entire 3D printing experience more enjoyable.
After years of printing and testing dozens of accessories, here are the 10 tools and upgrades we consider genuinely essential — ranked by priority.
The Top 10
1. Spare Nozzles ($5-15)
The single most important spare part. Nozzles wear out, clog, and need different sizes for different prints.
| Nozzle Size | Best For | Print Time | Quality |
|---|---|---|---|
| 0.2mm | Ultra-fine detail | Slow | Highest |
| 0.4mm (standard) | General purpose | Medium | Good |
| 0.6mm | Faster prints, thicker walls | Fast | Good |
| 0.8mm | Draft prints, vases | Very Fast | Lower |
Our Pick: Hardened steel 0.4mm nozzles ($8 for 5-pack from Creality) — compatible with most printers and handle abrasive filaments.
2. Metal Spatula / Scraper ($5-10)
Removing prints from the build plate without damaging the surface or the part.
| Material | Pros | Cons |
|---|---|---|
| Metal | Durable, thin edge | Can scratch PEI plates |
| Plastic | Safe for all surfaces | Wears out faster |
| Flexible | Conforms to curves | Less leverage |
Our Pick: Mr. Signwriter metal scraper ($7) — stiff enough for stubborn prints with a comfortable grip.
3. Calipers ($10-30)
Essential for verifying print dimensions and designing accurate parts. A $10 caliper pays for itself immediately when you discover your printer is 0.5mm off.
| Range | Price | Recommended |
|---|---|---|
| 0-150mm | $10 | Basic use |
| 0-150mm (digital) | $15 | Best value |
| 0-300mm (digital) | $25 | Large prints |
Our Pick: Neiko 01407A digital caliper ($15) — accurate to 0.01mm, battery included.
4. Flush Cutters / Side Cutters ($5-12)
For cleanly removing support material without leaving marks on your print.
Our Pick: Xuron 410T Micro-Shear ($12) — the gold standard for precision flush cutting. Cuts right up to the surface without marring the plastic.
5. Filament Dry Box ($20-60)
Moisture in filament causes poor print quality, stringing, and weak parts. A dry box keeps filament at optimal humidity.
| Type | Price | Drying Method |
|---|---|---|
| Basic (box + desiccant) | $20 | Passive |
| Heated (Tinbox style) | $40 | Active (50°C) |
| Smart (humidity sensor) | $60 | Active + monitored |
Our Pick: SUNLU Filament Dryer Box ($40) — heats to 55°C, holds one spool, clear window to see remaining filament.
6. PEI Build Plate ($15-30)
A textured PEI (Polyetherimide) coated spring steel sheet provides excellent first-layer adhesion and easy part removal.
| Type | Price | Notes |
|---|---|---|
| Smooth PEI | $15 | Best for PLA, PETG |
| Textured PEI | $20 | Best for all materials |
| Dual-sided (smooth + textured) | $25 | Most versatile |
Our Pick: Creality Textured PEI Spring Steel Sheet ($20) — magnetic mount, compatible with most beds, excellent adhesion.
7. Brass Brush Nozzle Cleaner ($3-8)
Quickly clears debris and stringing from nozzle tips between prints.
Our Pick: HAGMENT brass brush set ($6, 3-pack) — stiff enough to clean nozzles without damaging them.
8. Digital Thermometer / IR Gun ($15-25)
Verify your printer’s actual bed and nozzle temperatures. Factory thermistors can be off by 5-10°C.
Our Pick: Etekcity Lasergrip 774 IR thermometer ($18) — instant readings, accurate to ±1.5°C.
9. Needle Set for Nozzle Cleaning ($3-5)
For unclogging partially blocked nozzles without cold pulls.
Our Pick: Insize 0.3-0.5mm acupuncture needle set ($4) — fits through most nozzle sizes to push out debris.
10. Nitrile Gloves + Isopropyl Alcohol ($10-15)
Even if you don’t print resin, gloves and IPA are useful for handling PETG/ABS parts and cleaning the build plate.
| Item | Price | Purpose |
|---|---|---|
| Nitrile gloves (100-pack) | $8 | Handling chemicals, sticky filaments |
| IPA 99% (1L) | $7 | Cleaning build plate, removing grease |
Optional Upgrades Worth Considering
| Upgrade | Price | Improvement |
|---|---|---|
| LED Build Plate Light | $10 | Better visibility during printing |
| BLTouch / Automatic Bed Leveling | $15 | If printer lacks it |
| Silent Stepper Motor Upgrade | $25 | Reduce noise by 10-15 dB |
| Glass Build Plate | $15 | Ultra-smooth bottom surface |
| Tool Organizing Stand | $20 | Keep your workspace clean |
Budget Breakdown
| Priority Level | Items | Total Cost |
|---|---|---|
| Absolute Minimum | Spatula, spare nozzles, calipers | $35 |
| Recommended | + Flush cutters, dry box, PEI plate | $125 |
| Complete Setup | + All top 10 items | $175 |
What NOT to Buy
Save your money and skip these:
| Item | Why Skip It |
|---|---|
| Expensive filament holders | A $5 spool holder works fine |
| Paint & finishing kits | Start with basic sandpaper |
| ”3D Printing” tool kits | Overpriced; buy individual items |
| Automatic filament changers | Use AMS or manual swap |
| Heated beds (for printers that have them) | You already have one |
Final Word
You don’t need to buy everything at once. Start with the Absolute Minimum set ($35), then add tools as you encounter specific needs. The most important thing is to start printing — accessories will make themselves necessary naturally.
Prices reflect US retail as of March 2026.