card holder
Everything captured about this concept, with the source of each figure, the places the sources disagree, and what to check next.
card holder is covered by 2 of 3 channels
A brief drawn from one or two channels cannot show a disagreement between three. Missing channels are missing evidence, not evidence of absence.
Treat the conflicts section as incomplete until all three carry rows.
Interest proxy
~ 132,533
cumulative downloads, cumulative
Downloads, likes or favourites. Evidence that people looked, never that anyone bought.
thingiverse · n=3
Published floor
≥ 67,400
published monthly purchase floor, past month
A lower bound the marketplace itself published. The true figure is at least this.
amazon-keepa · n=20 · 2026-09-19
Target buyer
Who is paying, and how much, on each channel that carries this concept.
On Amazon the median card holder product sells at $9.99, across 20 of 20 captured products.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
Observed need
What people did — downloaded, reviewed, bought — separated by which of those it was.
3 indexed designs for card holder have been downloaded 132,533 times in total. That is interest, not purchases.
thingiverse:v_concept_panel (n=3)
Supporting demand
Search and purchase evidence, each labelled with the kind of figure it is.
Amazon publishes a purchase floor on 20 of 20 captured card holder products, summing to at least 67,400 units bought in the past month.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
Competing solutions
Who already answers this need, and how crowded the answer is.
The median captured card holder product holds Amazon sales rank 1,264 in its category — a position, not a volume.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
The median card holder 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
Possible differentiation
Where a printed version could win, read off the price evidence rather than assumed.
Amazon's median card holder product is $9.99. At that price a printed unit has very little room for filament, machine time and fees, so a differentiated or personalised version is the only version worth modelling.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
Conflicting evidence
Where two sources disagree. Stated, never resolved into an average.
Amazon's card holder products are selling 16.7% less than 90 days ago on average, across 20 products. Whatever else the evidence says, this concept is contracting on Amazon right now.
amazon-keepa:v_concept_amazon (n=20) @2026-09-19
Unknowns
What this brief does not know. Absence is a finding, not a blank.
No Etsy listings have been captured for card holder. Nothing here says what one sells for, or whether anyone sells one.
No search-volume rows match card holder. 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 card holder go on to buy.
Trademark, patent and design-right exposure for card holder 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 card holder through the fleet planner at $9.99 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 card holder, deliberately: the sections disagree, and a single number could only hide that.