gridfinity
Everything captured about this concept, with the source of each figure, the places the sources disagree, and what to check next.
Interest proxy
~ 71,042
cumulative downloads, cumulative
Downloads, likes or favourites. Evidence that people looked, never that anyone bought.
thingiverse · n=37
Published floor
≥ 3,400
published monthly purchase floor, past month
A lower bound the marketplace itself published. The true figure is at least this.
amazon-keepa · n=5 · 2026-09-19
Provider estimate
~ 3,823
estimated lifetime sales, title-matched listings only, lifetime
A third-party model's guess at how much a listing has sold. Not a measurement.
etsy-everbee · n=41
Target buyer
Who is paying, and how much, on each channel that carries this concept.
On Amazon the median gridfinity product sells at $39.98, across 16 of 20 captured products.
amazon-keepa:v_concept_amazon (n=16) @2026-09-19
On Etsy the median physical gridfinity listing asks $13.99, across 43 physical listings.
etsy-everbee:v_concept_panel (n=43)
7 of 50 Etsy listings sell the FILE rather than the object — a second buyer, with a different cost base.
etsy-everbee:v_concept_panel (n=50)
Observed need
What people did — downloaded, reviewed, bought — separated by which of those it was.
37 indexed designs for gridfinity have been downloaded 71,042 times in total. That is interest, not purchases.
thingiverse:v_concept_panel (n=37)
Etsy buyers have left 253 reviews on gridfinity listings — people who bought, not people who browsed.
etsy-everbee:v_concept_panel (n=43)
Supporting demand
Search and purchase evidence, each labelled with the kind of figure it is.
Amazon publishes a purchase floor on 5 of 20 captured gridfinity products, summing to at least 3,400 units bought in the past month.
amazon-keepa:v_concept_amazon (n=5) @2026-09-19
Competing solutions
Who already answers this need, and how crowded the answer is.
The median captured gridfinity product holds Amazon sales rank 1,177,560 in its category — a position, not a volume.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
The median gridfinity product has 1 offer — single-seller listings, so these are brands rather than a resold commodity.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
50 Etsy listings were captured for gridfinity, of which 41 name it in their own title.
etsy-everbee:v_concept_panel (n=50)
Possible differentiation
Where a printed version could win, read off the price evidence rather than assumed.
Etsy and Amazon price gridfinity within 0.35× of each other — $13.99 against $39.98. There is no craft premium here to price into, so a printed version competes on unit cost against injection moulding.
etsy-everbee:v_concept_panel (n=43)amazon-keepa:v_concept_amazon (n=16) @2026-09-19
Conflicting evidence
Where two sources disagree. Stated, never resolved into an average.
Amazon's gridfinity products are selling 18.0% less than 90 days ago on average, across 5 products. Whatever else the evidence says, this concept is contracting on Amazon right now.
amazon-keepa:v_concept_amazon (n=5) @2026-09-19
Unknowns
What this brief does not know. Absence is a finding, not a blank.
No search-volume rows match gridfinity. Demand here is inferred from marketplace activity, not from what anyone searched for.
No figure here is a measured conversion rate, a margin, or a unit cost. Nothing captured tells us what one costs to produce, or what share of the people who look at gridfinity go on to buy.
Trademark, patent and design-right exposure for gridfinity has not been checked by anything in this system.
Next validation step
- Settle the conflicting evidence above before costing anything. A brief with unresolved conflicts is a reason to look harder, not a reason to buy filament.
- Run gridfinity through the fleet planner at $39.98 and again at the Etsy median. The channel that survives its own price is the channel to model.
This brief is assembled from captured rows only. There is no blended score for gridfinity, deliberately: the sections disagree, and a single number could only hide that.