---
title: "3d Pen Filament Refills — £71K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/3d-pen-filament-refills"
last_updated: "2026-07-31T11:38:41.680Z"
locale: en
meta:
description: "Niche score 48/100 · £71K/yr market · 74K searches/yr · £10.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £71K/yr market · 74K searches/yr · £10.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "3d Pen Filament Refills — £71K/yr Amazon UK Niche (2026) - Flapen"
---
# **3d pen filament refills**
**Skip it**
Soft demand (-46.9% this quarter) — this niche doesn't clear our bar today.
Market size 18Growth 2Conversion 84Competition 61Returns 85Price range 59Avg price 36Brand share 81Review moat 48Quality gap 37
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.2%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Great****54%**
top-5 brand share — no brand owns this niche
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****£5.18–£28.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,652.61**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****£10.37**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£71K**
£71K/yr · 74K searches
**Growth**
**Bad****-46.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, 3d pen filament refills is a £71K/yr Amazon United Kingdom market (74K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 48/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **3d pen filament refills market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£62K–£83K**
- units × avg price
- **Conversion rate**
- **9.2%**
- **Avg BSR**
- **#258**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **10.0%**
- **Avg brand age**
- **24 months**
- **Avg seller age**
- **266 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▲rising
**Sellers**
**32**
**Top-5 brand share**
**54%**
Top 20: 98%
**Top-5 click share**
**49%**
Top 20: 92%
**Open market**
**41%**
- Kretrum21% - Yungden12% - ytorgr9% - Uzone7% - Dr.JIEER6% - Helweet5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -46.9% search growth over the last 90 days.
7K5KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Nov, Dec · busiest ÷ quietest = 5.8×
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/3d-pen-filament-refills/trend)
## **Top 3d pen filament refills search terms**
- **3d pen filament refills**40K/yr-46.4%9.3% conv. - **3d pen refills**14K/yr-50.3%7.7% conv. - **3d pen filament**14K/yr-40.2%5.2% conv. - **scrib3d pen filament refills**6K/yr-55.1%16.5% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/3d-pen-filament-refills/search-terms)
## **Top 3d pen filament refills products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%£3K8%£6K12%£8K16%£11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kretrum 3D Pen Filament Refills 40 Colours 3D Printer PLA 1.75 mm Filament Each Colour 3M Compatible with MYNT3D SCRIB3D PIKA3D 3D Pen Most 1.75mm 3D Prining Pens NOT FIT 3Doodler Start Pen**Kretrum**£13.42**4.4★2,563 rev](https://www.amazon.co.uk/dp/B0CQY4KJ67) [2**Yungden 30 Colours 3D Pen Filament Refills 1.75mm PLA 3D Pencil Printing Threads Each 3 Metres Total 90 Metres Compatible with SCRIB3D MYNT3D Kretrum PIKA3D Jandi LIHUACHEN Yummici and WGP Pens**Yungden**£11.32**4.5★2,471 rev](https://www.amazon.co.uk/dp/B09KVHQ92G) [3**ytorgr 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Case 30 Colors**ytorgr**£11.45**4.6★66 rev](https://www.amazon.co.uk/dp/B0FB34WTXW) [4**Uzone 3D Pen Filament Refills 1.75mm PLA 12 Colors 3D Pen Refills PLA Filament Each Color 10Ft Total 120Ft 3D Printing Pen Filament 3D Printer Refills for 3D Printing Equipment and 3D Pens**Uzone**£7.68**4.4★2,455 rev](https://www.amazon.co.uk/dp/B07VL8RGJY) [5**40 Colours 3D Pen Filament Refills 1.75mm PLA 3D Pencil Printing Threads Each 3 Metres Total 120 Metres Compatible with SCRIB3D PIKA3D MYNT3D and Most Other 3D Printing pens**Dr.JIEER**£9.16**4.7★37 rev](https://www.amazon.co.uk/dp/B0GG3SWTCX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**150 PCS 3D Pen Filament Refills 3D Pen Refills 10 Colors for Creative Projects Activities and Educational Use Compatible with 3D Printing Pens Inspire Imagination and Innovative Thinking**AUYFUA**£7.75**0 rev2mo ago](https://www.amazon.co.uk/dp/B0GRGPL9FX) [**30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors**GOEDEKE**£11.50**5 rev4mo ago](https://www.amazon.co.uk/dp/B0GPWZ546T) [**25 Colors 250PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors**GOEDEKE**£10.43**2 rev4mo ago](https://www.amazon.co.uk/dp/B0GPX1VGZS) [**MUNUOSIKEJI 160-Pack 3D Pen Filament Refills 2.5mm PCL Low Temp 32 Colours Exclusively Compatible with 3Doodler Start/Start+ for Smooth 3D Printing**MUNUOSIKEJI**£6.10**10 rev5mo ago](https://www.amazon.co.uk/dp/B0GK2P965D) [**40 Colours 3D Pen Filament Refills 1.75mm PLA 3D Pencil Printing Threads Each 3 Metres Total 120 Metres Compatible with SCRIB3D PIKA3D MYNT3D and Most Other 3D Printing pens**Dr.JIEER**£9.16**37 rev6mo ago](https://www.amazon.co.uk/dp/B0GG3SWTCX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MUNUOSIKEJI 160-Pack 3D Pen Filament Refills 2.5mm PCL Low Temp 32 Colours Exclusively Compatible with 3Doodler Start/Start+ for Smooth 3D Printing**MUNUOSIKEJI**£6.10**3.9★**▲ 449%**](https://www.amazon.co.uk/dp/B0GK2P965D) [**3D Filament Pen PLA 3D Pen Filament 20 Colors 1.75mm 5 Metres (16.4ft) Each Color Suitable for Most 3D Pens and 3D Printers 3D Printing Materials for 3D Pen**DAILINK**£5.18**4.3★**▲ 440%**](https://www.amazon.co.uk/dp/B08VJJZ76W) [**150 PCS 3D Pen Filament Refills 3D Pen Refills 10 Colors for Creative Projects Activities and Educational Use Compatible with 3D Printing Pens Inspire Imagination and Innovative Thinking**AUYFUA**£7.75**0.0★**▲ 432%**](https://www.amazon.co.uk/dp/B0GRGPL9FX) [**40 Colours 3D Pen Filament Refills 1.75mm PLA 3D Pencil Printing Threads Each 3 Metres Total 120 Metres Compatible with SCRIB3D PIKA3D MYNT3D and Most Other 3D Printing pens**Dr.JIEER**£9.16**4.7★**▲ 404%**](https://www.amazon.co.uk/dp/B0GG3SWTCX) [**30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors**GOEDEKE**£11.50**5.0★**▲ 387%**](https://www.amazon.co.uk/dp/B0GPWZ546T)
**~~View all trending →~~**
## **What buyers say about 3d pen filament refills**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**21%
*“The colours are vibrant”*
**Value For Money**17%
*“Great value”*
**Quality-Overall**11%
*“The quality of filament is good”*
**3D Effect**11%
*“Works well in the 3Doodler”*
**Ease Of Use**7%
*“Easy to use”*
**Fun/Entertainment Experience**5%
*“It is such great fun”*
**Advertised Vs Actual Product**3%
*“As expected”*
**Display Colors**3%
*“Good variety of colours included”*
**Material Quality**2%
*“how consistent the material is”*
**Design-Overall**2%
*“they love to make many cool designs”*
### **What buyers complain about **
**Durability**20%
*“broke after 1 use”*
**3D Effect**10%
*“Does not work with 3Doodler”*
**Color**8%
*“it started to clog with the colours”*
**Quality-Overall**6%
*“Terrible”*
**Value For Money**6%
*“Not worth the money”*
**Functionality-Overall**6%
*“Didnt work”*
**Ease Of Use**6%
*“its a bit hard to do things”*
**Size-Overall**4%
*“Hand size might be an issue check sizes first before ordering R”*
**Connectivity-Overall**4%
*“This is not wireless”*
**Advertised Vs Actual Product**2%
*“Misinformation”*
### **Top return reasons **
**Functionality-Overall**26%
**Size-Overall**14%
**Compatibility-Overall**11%
**Defective Material/Parts**8%
**Durability**8%
**3D Effect**5%
**Advertised Vs Actual Product**4%
**Quality-Overall**3%
**Jamming/Clogging**2%
**Gifting Purpose**2%
## **Common questions**
- **Is 3d pen filament refills profitable to sell on Amazon United Kingdom?**
- The niche generates £71K/yr across 28 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -46.9%. Flapen's verdict: Skip it (48/100).
- **How competitive is the 3d pen filament refills niche?**
- 22 brands and 32 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 54% of demand.
- **What do buyers complain about in 3d pen filament refills?**
- Top complaints mined from reviews: Durability, 3D Effect, Color. The return rate is 1.5%.
- **When does demand for 3d pen filament refills peak?**
- Demand peaks in Jan–Nov–Dec; the busiest month runs 5.8× the quietest.
- **What does it cost to enter the 3d pen filament refills niche?**
- Listings span £5.18–£28.86; the average listing price is £10.37 (sweet spot $15–$100). The average incumbent carries 1,653 reviews — the moat a new listing must climb.
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