Tool and battery wall holderHolds a drill and a spare pack, fits Milwaukee M18Sells for $14 to $22About 3.6 h, 82 g, leaves $9.76Try more per plateSeen for sale
Score59Worth testingPer print hour$2.71OkayCompetitionSome sellersSpecific products to sell
Pick one of these, not the whole niche. Numbers are our estimates for one item.
Multi brand battery holder packPack of four holders for mixed DeWalt and Makita packsSells for $14 to $20About 3.8 h, 85 g, leaves $8.78Try more per plateSeen on Etsy
Score58Worth testingPer print hour$2.34OkayCompetitionSome sellersSix battery shelf rackShelf that stores six packs, mounts on stud or pegboardSells for $16 to $26About 5.2 h, 130 g, leaves $11.10Try more per plateIdea to test
Score53Worth testingPer print hour$2.11OkayCompetitionSome sellersSingle battery wall mountSlot-in wall holder for one 18V pack, fits Milwaukee M18Sells for $6 to $10About 1.5 h, 30 g, leaves $2.29Try more per plateSeen for sale
Score49RiskyPer print hour$1.52Low returnCompetitionCrowdedA typical product here: Six battery shelf rack
Where each $16.00 sale goes
Filament, power, your time $7.45Marketplace fees $2.45Left from this sale $11.10
One sale ties up the printer for about 5.26 hours. $11.10 ÷ 5.26 h = $2.11 per print hour.
At the mid price, if it sells. Shipping not included.
Why it can work
- Strong public demand signals
- Seasonal demand: Father's Day and Christmas gifting, by judgement
Why it might fail
- Crowded market, so prices can fall fast
- Milwaukee is a trademark, so use it only to state compatibility, and avoid logo designs such as the emblem-shaped racks seen on Etsy
Be aware before you sell
Check commercial terms on each file, since the common M18 mounts are community uploads whose licences were not confirmed here. Milwaukee is a trademark, so use it only to state compatibility, and avoid logo designs such as the emblem-shaped racks seen on Etsy. Etsy asks for your own original design, so a licensed file may not qualify.
How to get a file you may sell
- Make your own. Tinkercad is free and enough for simple shapes.
- Buy a commercial licence. Many designers on Cults3D, MyMiniFactory and Etsy sell one. Read what it allows.
- Use open licences. CC0 and CC BY allow selling prints. NC does not. Filter by licence on Printables or MakerWorld and keep a screenshot.
Real 3D printed listings
Found on Etsy in November 2026. Prices may have changed.
Search live listings
More detail
Our take
Fast, light prints meet buyers who already spent heavily on a tool system, and they often need several at once. Multi-packs and other battery systems make it work, while a lone $5 mount with shipping will not.
How the score adds up
Profit per print hour6/30
Demand25/25
Low competition5/20
Low legal risk8/15
Evidence quality6/10
The score is our estimate from public prices and signals, not sales data. Evidence confidence: medium.
Competition
Public signals suggest high competition.
- Milwaukee M18 Battery Holder - Horizontal Wall Mount Whatnot $5.00
- Milwaukee M18 Deluxe Tool & Battery Holder - Single Wall Mount Whatnot $15.00
Make it your own
- Solve one annoying problem for one type of pet or home
- Offer it with a name or a custom size
- Use durable materials and state care limits honestly
Where to find 3D files
Use these for research. Check each licence and never assume you may sell a print. Search links show live results.
- M18 Battery Holder for Milwaukee Packout, 5 slot insert Licence: not checked
- Milwaukee M18 Single Battery Wall Mount Licence: not checked
Check your own numbersRead the pets and household guide
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