Arthritis key turner

Big lever grip that turns a house key without pinching

Score45RiskyPer print hour$3.35OkayCompetitionSome sellers
Sells for $8 to $16 Seen on Etsy

The numbers

Sells for$8 to $16
Print time1.4 to 2 h
Filament30 to 45 g
Cost per item$4.71
Marketplace fees$1.59
Left per sale$5.70
Per print hour$3.35
Demand (niche)Medium
CompetitionMedium
Legal and licence riskMedium
EvidenceSeen on Etsy

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 hour10/30
Demand15/25
Low competition12/20
Low legal risk8/15
Evidence quality6/10

Demand and legal risk come from the niche Grip and dexterity aids.

Seen for sale: Assistive Key Turner, Arthritis Aid, Accessibility Tool for Reduced Grip, Door Deadbolt He. Prices change, open the listing to check.

Why it can work

  • Limited positive evidence so far

Why it might fail

  • Rated for liability rather than IP: a utensil handle touches food and a medical claim can make it a regulated device, so sell these as everyday aids only

Be aware before you sell

Makers Making Change designs are open source, often CC BY-SA, so check attribution terms before selling. Rated for liability rather than IP: a utensil handle touches food and a medical claim can make it a regulated device, so sell these as everyday aids only. 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 key chain9$71,284
grip6$285,966
3d printed grip4$251,145
house of the dragon5$61256
picture turn into 3d4$211,084
big painting4$11210

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

45Deadbolt key grip handle45Faucet tap turner31Pen and pencil grip set

See the whole niche: Grip and dexterity aids

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