3d pen filament refills
Skip itSoft demand (-46.9% this quarter) — this niche doesn't clear our bar today.
Returns
Great1.5%return rate — above 5% kills the launch gate
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Brand share
Great54%top-5 brand share — no brand owns this niche
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Price range
Good£5.18–£28.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,652.61avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay£10.37avg 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
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.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 5.8×
Top 3d pen filament refills search terms
- 3d pen filament refills40K/yr
- 3d pen refills14K/yr
- 3d pen filament14K/yr
- scrib3d pen filament refills6K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£13.424.4★2,563 rev

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£11.324.5★2,471 rev

ytorgr 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Case 30 Colors
ytorgr£11.454.6★66 rev

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£7.684.4★2,455 rev

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£9.164.7★37 rev
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£7.750 rev

30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors
GOEDEKE£11.505 rev

25 Colors 250PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors
GOEDEKE£10.432 rev

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£6.1010 rev

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£9.1637 rev
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£6.103.9★

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£5.184.3★

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£7.750.0★

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£9.164.7★

30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors
GOEDEKE£11.505.0★
What buyers say about 3d pen filament refills
What buyers praise and complain about, mined from review topics.What buyers love
“The colours are vibrant”
“Great value”
“The quality of filament is good”
“Works well in the 3Doodler”
“Easy to use”
“It is such great fun”
“As expected”
“Good variety of colours included”
“how consistent the material is”
“they love to make many cool designs”
What buyers complain about
“broke after 1 use”
“Does not work with 3Doodler”
“it started to clog with the colours”
“Terrible”
“Not worth the money”
“Didnt work”
“its a bit hard to do things”
“Hand size might be an issue check sizes first before ordering R”
“This is not wireless”
“Misinformation”
Top return reasons
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.