CNC Machining Resources & Guides

3D Printed Rocktopus: 7 Rules for Metal Art

A 3D printed Rocktopus fuses octopus and rock in metal. Learn SLM and DMLS limits, wall thickness, powder removal, and when CNC wins.

3D Printed Sand Casting: 7 Proven Checks To Cut Cost

3D printed sand casting cuts tooling lead time and cost. Seven checks on patternless molds, tolerance, draft, MOQ and supplier quoting.

3D Printed Screwdriver Holder: DIY Design Guide

Design a screwdriver holder that lasts: hole sizing, wall thickness, PETG vs PLA, infill choices, and when to switch from printed plastic to machined metal.

3D Printed Screws Guide: 7 Proven Design Rules

A practical 3D printed screws guide: thread geometry, tolerances, materials, and when to switch to CNC machined fasteners.

3D Printed Sculptures: 5 Proven Limits vs Traditional Carving

3D printed sculptures offer unlimited shaping, but layer lines, resins, and scale set real limits. An engineer's guide to when additive wins and when to CNC.

3D Printed Seawater Batteries: 5 Essential Basics

3D printed seawater batteries explained: how laser-induced carbonization turns sugar and wood fiber into hard carbon electrodes, and where CNC still wins.

3D Printed Seed Shoes: Design, Tooling & CNC

How 3D printed seed shoes work, where printing stops and CNC tooling starts, and what to check before you cut molds or production parts.

3D Printed Shell Shoes: Proven 7-Point Engineering Basics

How 3D printed shell shoes are built: lattice geometry, resin and TPU choices, tolerances, and the CNC tooling behind the molds. A practical guide for engineers.

3D Printed Ship Manifold: 5 Proven Design Rules

How a 3D printed ship manifold actually works: LPBF limits, wall thickness, corrosion alloys, HIP and NDT, plus when CNC is still the better route.

3D Printed Shoe Sourcing: 6 Proven Checks to Know

A buyer guide to 3D printed shoe projects: 6 checks on process choice, tolerance, lead time, MOQ and certifications before you place an order.

3D Printed Shoes Combine Durability and Style

How 3D printed shoes combine durability and style: lattice midsoles, material choices, and when CNC or molding beats printing for footwear parts.

3D Printed Shoes Design Model: 5 Essential Proven Limits

A 3D printed shoes design model turns foot scan data into graded lattice geometry. Here is how the MIT approach works and where it hits real limits.

3D Printed Shoes: 5 Essential Development Issues and Trends

A technical explainer on 3D printed shoes: why midsole lattices fail, how material fatigue and anisotropy work, and when CNC tooling still wins.

3D Printed Shrek Toothpaste: 5 Proven Design Basics

3D printed Shrek toothpaste extruders are a fun way to learn real design limits: wall thickness, layer direction, creep, and when to switch to metal.

3D Printed Skeleton Astronaut: Design to Machining

How to build a 3D printed skeleton astronaut with posable joints and a switchable helmet, and when to move the same parts to CNC machining.

3D Printed Skincare Products: Essential 5 Basics

Neutrogena's 3D printed skincare products show how printed hardware meets tight tolerances. Learn the process chain, materials, and limits.

3D Printed Smart Bicycle Helmet With Airbag: Build Guide

How a 3D printed smart bicycle helmet with airbag is built: lattice energy absorbers, sensor housings, CNC-machined latches, tolerance and material choices.

3D Printed Sneaker: 5 Proven Monomaterial Rules

A complete engineering explainer on the 3D printed sneaker: monomaterial design, print orientation, lattice tuning, and recycling limits.

3D Printed Sneakers: 7 Proven Basics of Foam Particles

ELASTIUM launches 3D printed sneakers made from foam particles. Learn how particle-bed printing bonds beads, where it holds tolerance, and when CNC wins.

3D Printed Solar Towers for Lunar Energy: Design & Build

How 3D printed solar towers work for lunar power: regolith printing, folding PV panels, structural limits, and the machining that supports prototypes.

3D Printed Sonic Boom Sneakers: Proven 5-Point Build Guide

How the 3D printed Sonic Boom sneakers from Peak are built, and what engineers should know about lattice midsoles, resin choice, and cost at 399 yuan.

3D Printed Sphere: How To Make It Right

How to make a 3D printed sphere: orientation, supports, wall count, tolerance and when a sphere should be CNC turned instead of printed.

3D Printed Stainless Steel 17-4: 5 Proven Basics

Learn how 3D printed stainless steel 17-4 behaves: powder chemistry, shrinkage, heat treatment, and when to switch to CNC machining instead.

3D Printed Stingray Robot: Metal Parts That Swim

How the 3D printed stingray robot uses metal additive skeletons, soft actuators and machined joints, and where CNC tolerances matter.