9OneFour

Blog

Notes on 3D printing, prototyping, and manufacturing.

March 10, 2026

Nylon vs. PETG vs. ASA — Which Material for Your Part?

A practical comparison of three engineering thermoplastics — strength, chemical resistance, UV stability, cost — so you can pick the right one without guessing.

March 3, 2026

Design for 3D Printing: 5 Rules That Cut Your Costs in Half

Wall thickness, print orientation, infill strategy, support reduction, and part consolidation — five DfAM principles that save time and money on every print.

February 24, 2026

Why Your PLA Prototype Is Lying to You

PLA tells you if something fits. It doesn't tell you if it works. Here's why prototyping in production materials changes the outcome of your project.

February 17, 2026

From Broken Part to Replacement: The Scan-to-Print Workflow

How we turn a broken, discontinued, or worn-out part into a production-ready replacement using structured light scanning and CAD — typically in under a week.

February 10, 2026

3D Printing vs. Injection Molding: A Cost Breakdown by Volume

At what volume does injection molding make sense? We break down the real costs — tooling, unit price, lead time, iteration — so you can make the call with actual numbers.

February 3, 2026

What Rush Production Actually Costs — and When It's Worth It

12-24 hour turnaround is real. Here's what drives the cost, when rush makes sense, and when planning ahead saves you more.

January 27, 2026

Prototyping Strategy for Startups: Iterate Without Tooling Up

No tooling costs, no minimum orders, and design changes that cost nothing to produce. How to use 3D printing to go from idea to market-ready product without burning capital.

January 20, 2026

What 200 Units in a Week Looks Like

Small-batch production isn't slow. Here's how we print, finish, and ship 200+ identical parts in five business days — with quality checks on every unit.

January 13, 2026

What 0.2mm Scanning Resolution Actually Means for Your Parts

Scanner specs don't tell the full story. Here's what 0.2mm structured light resolution captures, where it falls short, and how to decide between scanning and modeling from scratch.

January 6, 2026

Carbon Fiber Nylon vs. Standard Nylon — Real-World Performance

Stiffness, weight, heat resistance, wear — we compare carbon fiber reinforced nylon against standard nylon with real test data and production examples.