This debate shows up in every 3D printing forum at least once a week. Someone posts "should I get a resin or FDM printer for my Etsy shop?" and then 200 people argue about it based on which printer they own. Not super helpful.
Here's a straightforward comparison based on actual selling experience, with real numbers.
The 30-Second Answer
FDM wins on margins for larger items. Lower material cost, simpler post-processing, cheaper to run. If you're selling planters, organizers, or home decor above 50g, FDM is your moneymaker.
Resin wins on value-per-gram for small detailed items. Miniatures, jewelry, tiny figurines ā customers pay a premium for detail that FDM physically cannot match.
Cost Breakdown: A Real Example
Let's compare producing the same product category on both technologies.
Scenario 1: Tabletop Miniature (28mm scale, ~8g)
| Factor | FDM | Resin |
|---|---|---|
| Material cost | $0.18 | $0.28 |
| Print time (single) | 45 min | 2 hours |
| Batch of 20 | 15+ hours | 2.5 hours |
| Detail quality | Visible layers | Smooth, crisp |
| Post-processing | Remove supports, sand | Wash, cure, remove supports |
| Typical Etsy price | $3-5 | $8-15 |
Notice the key insight: resin costs more per unit, but the selling price is 2-3x higher because of the quality difference. For miniatures, resin gives you roughly 60-70% margins vs FDM's 40-50% ā and customers leave better reviews.
Scenario 2: Desk Planter (120mm tall, ~95g)
| Factor | FDM | Resin |
|---|---|---|
| Material cost | $2.09 | $3.33 |
| Print time | 3 hours | 6-8 hours |
| Post-processing | Minimal | Extensive wash + cure |
| Typical Etsy price | $18-28 | $22-30 |
For larger items, resin makes no sense. The material cost gap widens, print time doubles, and the Etsy selling price barely changes. Nobody pays a premium for a "smooth" planter ā they care about the design. FDM wins here decisively.
Hidden Costs People Forget
Resin's Dirty Secret: Consumables
Resin printing eats consumables. Every month you'll need:
- IPA or water-washable solution ā $12-20
- FEP film replacements ā $8-15 (every 30-50 prints)
- Nitrile gloves ā $10/box
- Paper towels ā surprisingly expensive at volume
- UV curing light/station ā $30-80 (one-time, but bulbs die)
These add up to roughly $40-60/month on top of resin costs. Factor that in before you compare margins.
FDM's Hidden Cost: Time
FDM is cheaper to run, but prints are slow for batch production. Printing 50 miniatures takes days on an FDM machine. On a resin printer, it's a single afternoon. If your time is worth $15/hour, that labor cost changes the math significantly.
Health and Safety ā Seriously
I have to mention this because too many new sellers skip it. Uncured resin is a skin sensitizer. Repeated exposure without gloves can cause permanent allergic reactions. You need:
- Nitrile gloves (not latex) for every handling session
- Ventilation ā at minimum a window, ideally an exhaust fan
- A designated workspace away from kids and pets
FDM filament is vastly safer. PLA is practically inert. This matters if you're working from a small apartment or shared space.
Run The Numbers Yourself
Plug your actual material costs, labor rate, and fees into our calculator to see which technology gives you better margins for YOUR specific products.
Try PriceMy3D Calculator āSo Which Should You Choose?
Honestly? Both, eventually. Most successful Etsy shops I follow run 2-3 FDM machines for large items and 1-2 resin printers for detailed pieces. But if you're picking one to start with:
- Start with FDM if you want to sell home decor, planters, organizers, or anything over 50g
- Start with resin if you're targeting the tabletop gaming market, jewelry, or small collectibles
Don't try to do everything at once. Pick a niche, master one technology, then expand when revenue supports it.