The numbers
| Sells for | $14 to $24 |
|---|---|
| Print time | 0.7 to 1.5 h |
| Filament | 10 to 25 g |
| Cost per item | $4.15 |
| Marketplace fees | $2.26 |
| Left per sale | $12.60 |
| Per print hour | $11.45 |
| Demand (niche) | Low |
| Competition | Low |
| Legal and licence risk | Medium |
| Evidence | Idea 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 hour30/30
Demand6/25
Low competition20/20
Low legal risk8/15
Evidence quality2/10
Demand and legal risk come from the niche One-handed controller adapters. 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 $11.45 profit per print hour
- Seasonal demand: Christmas gift buying is likely, but this is my judgement rather than a measured signal.
Why it might fail
- Xbox and PlayStation are trademarks, and the shape of the original controller should not be copied as a replacement shell
- Thin public evidence, so treat these numbers with care
Be aware before you sell
The best known designs are community files, so check the licence on each before selling printed copies. Xbox and PlayStation are trademarks, and the shape of the original controller should not be copied as a replacement shell. Etsy asks for your own original design, so a licensed file may not qualify.
Check your versionRun your own numbers