Filament Welder
brand-locked demand (top 5 brands take 98% of clicks) — Filament Welder doesn't clear our bar today.
Flapen Score
Ranks 193 of 262 Industrial & Scientific niches · −7 vs the category median of 52
Is Filament Welder profitable on Amazon?
According to Flapen's Amazon United States niche tracking, Filament Welder is a $271K/yr Amazon United States market (297K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan. Verdict: Skip it — 45/100.
Filament Welder: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +1.5% over the last 90 days and 2.7% of searches end in a purchase.
$271K
revenue / yr
Who owns the niche?
The top 5 brands hold 98% of demand, so 2% of the market is open.
2%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.1★ — the gap to enter on.
0/100
page quality · 11 products
Top Filament Welder products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
SUNLU Official Filament Connector Fast Heating Filament Splicer for 3D Printer Filament 1.75mm Up to 240C Compatible with PLA PETG TPU ABS PA Nylon Easy to Use Pack with 200PCS PTFE Sleeve
- Price
- $37.38
- Rating
- 4.1/5
- Reviews
- 1,518
- Age
- 2y ago
SUNLU Filament Connector Filament Splicer with 200Pcs PTFE Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Compatible with PLA PETG TPU ABS PA Nylon
- Price
- $39.74
- Rating
- 4.1/5
- Reviews
- 1,210
- Age
- 1y ago
VIT SPORT 1.75mm & 2.85 Filament Connector | Easy Operate Filament Welder Splicer for 3D Printer | Filament Fuser Joiner for PLA/ABS/PC/PETG/TPU Filaments
- Price
- $28.65
- Rating
- 4.0/5
- Reviews
- 854
- Age
- 5y ago
Filament Connector SUNLU Official Splicer with 200Pcs PTFE Sleeves for 3D Printer Filament 1.75mm Compatible with PLA PETG TPU ABS PA Nylon
- Price
- $40.22
- Rating
- 3.9/5
- Reviews
- 168
- Age
- 1y ago
SUNLU Filament Connector Filament Splicer with 400Pcs PTFE Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Compatible with PLA PETG TPU ABS PA Nylon
- Price
- $44.65
- Rating
- 4.1/5
- Reviews
- 1,210
- Age
- 1y ago
Trending
90-day click momentum
SUNLU Filament Connector Filament Joiner Includes 200 PTFE Sleeves
- Price
- $38.15
- Rating
- 4.2/5
- Reviews
- 159
- Age
- 1y ago
SUNLU Filament Connector Filament Splicer with 400Pcs PTFE Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Compatible with PLA PETG TPU ABS PA Nylon
- Price
- $44.65
- Rating
- 4.1/5
- Reviews
- 1,210
- Age
- 1y ago
VIT SPORT 1.75mm & 2.85 Filament Connector | Easy Operate Filament Welder Splicer for 3D Printer | Filament Fuser Joiner for PLA/ABS/PC/PETG/TPU Filaments
- Price
- $28.65
- Rating
- 4.0/5
- Reviews
- 854
- Age
- 5y ago
IdeaFormer 3D Printer Filament Welder & Joiner Connects Broken Filament Sensor for Most 1.75mm Filament Accessory (Black)
- Price
- $9.29
- Rating
- 3.6/5
- Reviews
- 211
- Age
- 3y ago
SUNLU Official Filament Connector Fast Heating Filament Splicer for 3D Printer Filament 1.75mm Up to 240C Compatible with PLA PETG TPU ABS PA Nylon Easy to Use Pack with 200PCS PTFE Sleeve
- Price
- $37.38
- Rating
- 4.1/5
- Reviews
- 1,518
- Age
- 2y ago
Newest
by launch dateSUNLU Filament Connector Filament Splicer with 400Pcs PTFE Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Compatible with PLA PETG TPU ABS PA Nylon
- Price
- $44.65
- Rating
- 4.1/5
- Reviews
- 1,210
- Age
- 1y ago
Filament Connector SUNLU Official Splicer with 400Pcs PTFE Sleeves for 3D Printer Filament 1.75mm Compatible with PLA PETG TPU ABS PA Nylon
- Price
- $45.21
- Rating
- 4.2/5
- Reviews
- 50
- Age
- 1y ago
VIT SPORT Filament Connector - 1.75mm & 2.85mm Ultimate Splicer for 3D Printer Up to 240 Filament Fuser & Joiner Compatible with PLA ABS TPU PETG PA/PC Material
- Price
- $29.87
- Rating
- 4.0/5
- Reviews
- 146
- Age
- 1y ago
KUNPHY PTFE 600Pcs Suitable for SUNLU Filament Connector 3D Printer Filament 1.75mm Easy to Use High Temperature Resistance up to 240 Filament Welder Compatible with PLA PETG and ABS
- Price
- $17.78
- Rating
- 4.5/5
- Reviews
- 135
- Age
- 1y ago
SUNLU Official Filament Connector 400Pcs PTFE Sleeve Filament Splicer for 3D Printer Filament 1.75mm Fast Heating Filament Welder Compatible with PLA PETG TPU ABS PA Nylon Easy to Use
- Price
- $43.35
- Rating
- 4.1/5
- Reviews
- 1,518
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
Brands
6 flat
Sellers
10
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
0%
- SUNLU40%
- YOOPAI35%
- VIT SPORT12%
- ROLWAY5%
- IdeaFormer IR35%
- kunphy2%
- Open — no brand owns it (0%)
Filament Welder demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan · busiest ÷ quietest = 2.1×
Top Filament Welder search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- filament connector84K/yr
- filament splicer65K/yr
- sunlu filament connector59K/yr
- filament joiner23K/yr
- sunlu filament splicer13K/yr
- filament welder18K/yr
- filament fuser9K/yr
- 3d filament splicer7K/yr
- filament splicer 1.75mm5K/yr
- filament melter3K/yr
What reviews say buyers love and hate about Filament Welder
What buyers mention most, as a share of all reviews.
What buyers love
74% of reviews“Easy to use”
“it is doing quite well for my use”
“Works as intended, love it”
“Works GREAT and the price is very affordable”
“I've used it on PLA, PLA+, and PLA+ 2.0 matt, silk, marble and standard types and it does excellent, so I'm fairly confident that it will be compatible with most others as well”
What buyers complain about
75% of reviews“Doesnt work”
“Difficult to use”
“Not as good as I thought it would be”
“it gets really hot within a few minutes I think something inside it melted”
“At this price point I expected a more intuitive experience”
Filament Welder return rate & reasons
Why buyers send it back, as a share of all return requests.
2.9%
Return rate
11%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Filament Welder questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
