Best Repair and spare parts 3D Prints to Sell

Best here: Vintage audio and radio knobs, 69. No good bets in this niche yet. Read the guide.

What do the colours mean?

Score70 or more: good bet52 to 69: worth testing35 to 51: riskyUnder 35: avoid

Per print hour: what is left for each hour the printer runs, after costs, fees and $15 an hour for your time. Shipping not included.Under $2: low return$2 to $5: okay$5 or more: good

Seen on Etsy means we found a real listing. Idea to test means nobody has proven it yet, so it can never count as a good bet.

Vintage audio and radio knobsSells for $9 to $244 specific productsThin evidence

Score69Worth testingPer print hour$8.59GoodCompetitionFew sellers

Vintage sewing machine partsSells for $3 to $254 specific productsThin evidence

Score57Worth testingPer print hour$4.74OkayCompetitionFew sellers

Retro computer case partsSells for $7 to $354 specific products

Score51RiskyPer print hour$3.20OkayCompetitionSome sellers

One-handed controller adaptersSells for $10 to $654 specific productsThin evidence

Score47RiskyPer print hour$6.37GoodCompetitionSome sellers

Sailboat deck hardwareSells for $16.52 to $75.56

Score35RiskyPer print hour$7.65GoodCompetitionFew sellers

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