Guides for buyers of precision machined parts.

Practical, no-jargon articles on CNC machining, materials, file preparation and sourcing — from an engineer-led shop floor.

How to Choose a CNC Machining Partner: A Buyer's Checklist

The right machining partner protects your timeline, your budget and your intellectual property. Here's exactly what to evaluate before you commit.

STEP, IGES, native, PDF — which file should you actually send for a machining quote? Here's what each format does and how to avoid quoting delays.

Both make parts from a CAD file — but they suit very different jobs. Here's how to decide between subtractive CNC machining and additive 3D printing.