Free resources for 3D printing makers & entrepreneurs

3D Printing Insights, Filament Deals & Startup Guides for Makers

We buy a lot of filament from China, test it, and write down what actually works. You'll find real prices, honest sourcing tips, and the business lessons we picked up along the way.

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Filament Guides

Which filament is worth buying, what costs how much on Taobao vs Amazon, and the brands we actually use.

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Business & Side Hustle

Side hustle playbooks for the US, Europe, and Southeast Asia — what sells, what it costs, and how to price it.

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Industry Trends

New printers, materials, and market moves — filtered through whether they actually matter for your wallet.

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Tools & Calculators

Calculators and checklists we built because we needed them — print costs, shipping rates, seller red flags.

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Featured guides

Start with these popular guides

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Beginner guide

How to buy from Chinese platforms: a complete walkthrough

We walked through the whole process so you don't have to. Sign up, pay, ship, clear customs — with the exact forwarders we use.

12 min read

Business

How to Start a 3D Printing Side Hustle in the USA

What it actually costs to start in the US, which niches are worth your time, and the LLC/insurance stuff nobody talks about.

13 min read

Business

10 Electronics to 3D Print: A Business Model Map

Switch grips, keycaps, MagSafe mounts — we broke down the margins, competition and demand for 10 electronics accessories.

16 min read

Price comparison

Filament price: China vs local shops

Full price table →

Material	China (Taobao/1688)	Amazon US	Savings
PLA (1kg)	$6–$10	$20–$30	55–70%
PETG (1kg)	$8–$14	$25–$35	55–68%
TPU (1kg)	$12–$20	$30–$45	50–60%
Resin (1kg)	$10–$18	$25–$40	50–60%

* Prices are approximate per kg, excluding shipping. Updated August 2026. See full breakdown →

Trending now

Hot 3D printing products to sell in 2026

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🔥 Trending

Nintendo Switch Grips

Joy-Con drift never ends. People keep buying replacement grips — and they'll pay extra for ergonomics.

PETG / TPU $9–$15 / pair Margin: 55–70%

💰 High margin

Artisan Keycaps

Mechanical keyboard people will drop $50 on a single keycap. Resin printing + a good design = serious margin.

UV Resin $20–$50 / set Margin: 70–85%

📈 Growing

MagSafe Mounts

iPhone mounts for cars, desks, kitchens — everyone has a phone, everyone needs it somewhere specific.

PETG + Magnet $12–$25 Margin: 60–75%

Industry insights

Latest 3D printing trends

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Aug 2026

Bambu Lab A1 Mini disrupts the entry-level market

Sub-$200 multi-color printing is forcing Prusa and Creality to accelerate their budget lines. Maker businesses can now enter with lower capital than ever.

Aug 2026

Cold-plate PLA printing cuts energy costs 40% for print farms

New low-temp PLA formulations and textured PEI plates eliminate heated bed needs. Print farm operators report significant electricity savings in summer.

Read the guide →

Jul 2026

Etsy 3D printing category grows 34% YoY

Custom accessories, miniatures and home organization lead the growth. Electronics accessories (Switch, AirPods, Watch) show the highest repeat purchase rates.

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Reader stories

What makers are saying

"Tried the forwarder from the guide on a 5kg PETG order. Came out to about half what I was paying locally. Wish I found this six months ago."

Marcus T. Print farm owner, Texas

"Used the side hustle guide to pick Switch grips. First month on Etsy was slow, but by month three I was doing consistent sales. The margin math checks out."

Sarah K. Side hustle maker, California

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No paywalls, no fluff. Just the stuff we wish we knew when we started.

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