The Print Shop
A place for 3D print sellers to share what's working, ask questions, and trade war stories. No gatekeeping — if you're printing parts and trying to turn a profit, you're in the right place.
Whether you just listed your first eBay print or you're running multiple printers around the clock, everyone's figuring this out in real time. Jump into a topic below or start a conversation in the open discussion at the bottom.
Pricing Talk
Share your pricing strategies, ask about margins, discuss what to charge for custom work. Real numbers welcome.
What's Selling
Product ideas, niche finds, discontinued parts, and what's moving on eBay, Etsy, and Amazon right now.
Materials & Printing
ASA tips, filament reviews, print settings for selling, quality control, and dialing in your process.
Marketplace Tips
eBay SEO, Etsy optimization, listing photos, shipping strategies, and dealing with returns.
Show Your Work
Share your prints, setups, packaging solutions, and wins. Nothing motivates like seeing other sellers crushing it.
General Discussion
Anything else on your mind — business ideas, printer recommendations, side hustle stories, or just saying hey.
New here?
Drop a comment below and introduce yourself — what printer you're running, what you're selling (or hoping to sell), and what brought you to FilamentMath. We're all learning from each other.
Open Discussion
General conversation, questions, introductions — anything goes here.