Hidden tracker holder

Hides a small tag under a bottle cage or stem

Score69Worth testingPer print hour$9.42GoodCompetitionFew sellers
Sells for $10 to $22 Idea to test

The numbers

Sells for$10 to $22
Print time0.6 to 1.5 h
Filament10 to 25 g
Cost per item$4.14
Marketplace fees$1.97
Left per sale$9.89
Per print hour$9.42
Demand (niche)Medium
CompetitionLow
Legal and licence riskLow
EvidenceIdea to test

Estimates for one item at the middle of the price range, after filament, power, machine wear, marketplace fees and your time at $15 an hour. Shipping not included. Not sales data.

How the score adds up

Profit per print hour28/30
Demand15/25
Low competition20/20
Low legal risk15/15
Evidence quality2/10

Demand and legal risk come from the niche Bike computer and light mounts. An idea to test can score 69 at most until someone has seen it for sale.

Why it can work

  • Few sellers compared with other products
  • Estimated $9.42 profit per print hour
  • Low brand or licence risk if the design is your own
  • Seasonal demand: Spring and summer, my estimate

Why it might fail

  • Thin public evidence, so treat these numbers with care

Be aware before you sell

Many cycling mount files are free for personal use only, so check commercial terms. Say 'Garmin compatible' and avoid logos; bike makers can protect their own bar and stem shapes. Etsy asks for your own original design, so a licensed file may not qualify.

Check your versionRun your own numbers

What Etsy shows for this

Etsy tags that match this product, with how many listings in our sample use them, their median price and views. Many listings means crowded; high views at a low price means a busy but cheap market.

Etsy tagListings using itMedian priceViews / month
custom name tag11$62,886
name tag9$91,007
hide6$42911
water bottle charm6$7510
school backpack tag6$7510
lunch bag name tag6$7510

From a sample of 3,213 Etsy listings tagged as 3D printed, exported 10 and 11 November 2026 with a third-party Etsy research tool. Medians from that sample, so estimates, not sales data. All tags

Other products in this niche

71Out-front bike computer mount69Under-saddle tail light mount67Handlebar light bracket

See the whole niche: Bike computer and light mounts

Check your own idea before you print 50

Paste a link or drop your sliced file. Score, profit per print hour and legal risk in a minute. 3 checks a month are free.

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