Skip to content

Filament Joiner

Fail

Demand is soft, at -47.6% this quarter, so Filament Joiner is a Fail.

Flapen Score
37
37 / 100
Ranks 679 of 740 Business, Industry & Science niches · −12 vs the category median of 49
Market size
£32K/yr32K searches / yr
90-day growth
-47.6%search demand this quarter
Competition
93%top-5 click share · 6 brands · 10 sellers

Flapen Score

Filament Joiner against its category

The dotted line is the Business, Industry & Science average. Past it, Filament Joiner is stronger. Inside it, weaker.

37Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Filament Joiner market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Filament Joiner 32K times last year and spent an estimated £32K. The top 5 brands take 97% of clicks. Flapen scores it 37 out of 100, a Fail.

01 · Demand

An estimated 4.6% of those searches ended in a purchase.

Shoppers searched for this 32K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 4.6% of those searches ended in a purchase. Searches in the last 90 days moved -47.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £32K a year.

Searches, last 12 months
32K
Growth, 90 days vs prior 90
-47.6%
Conversion, latest week
4.6%
Market size, estimated
£32Ka year
Top search term
filament joiner15K searches a year

02 · Price

A sale here is worth £21.35.

Listings sell for £21.35 on average, from £6.46 to £36.82. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 100 to 250 of them. At £21.35 that is £2K to £5K a year per listing.

Average price
£21.35inside the $15 to $100 sweet spot
Price range
£6.46–£36.82
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
1K–2K
Units per listing a year
100–250
Revenue per listing a year
£2K–£5K
Returns
2.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

71% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 22.2% of listings are out of stock. The average listing ranks #632 within 3D Printing & Scanning. It carries 555 reviews at 3.96 stars, so a new listing needs social proof before a better product.

Sponsored listings
71%
Prime listings
86%
Out of stock, average day
22.2%
Average rank
#632in 3D Printing & Scanning
Average rating
3.96 starsAmazon United Kingdom average 4.36 stars
Average reviews
555per listing
Listings tracked
7

04 · Newcomers

Brands here are young.

The brands on the shelf have sold for 25 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
25 months

Products

Top Filament Joiner products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.

£0£5K£10K£14K£19K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 flat

Sellers

10

Est. top-5 brand share

97%

Top 20: 100%

Est. top-5 click share

93%

Top 20: 100%

Open market

0%

  • SUNLU58%
  • YOOPAI20%
  • kunphy9%
  • Hyuduo6%
  • VIT SPORT4%
  • CQEAZ3%

Demand

Filament Joiner search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K2KSpike '26DecJanFebMarAprMayJunJul

Peak months: Dec · busiest ÷ quietest = 6.0× · 8 of 12 months tracked

Search terms

Top Filament Joiner search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • filament joiner15K/yr
  • filament connector7K/yr
  • sunlu filament connector7K/yr
  • filament splicer4K/yr

Reviews and returns

What reviews say buyers love and hate about Filament Joiner

We read the reviews and the return reasons for every product selling here.

32%of positive reviews mention “Advertised Vs Actual Product”
28%of negative reviews mention “Ease Of Use”
2.0%of orders come back
“Not easy to use”
A buyer, on “Ease Of Use”28% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common Filament Joiner questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data