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17 pages of injection molding DFM rules—free PDF for engineers

Oct 23, 2025

•

4 min read

17 pages of injection molding DFM rules—free PDF for engineers

Learn how to design parts that mold cleanly the first time, straight from real-world molders.

Chris Barton

THE LATEST

Sep 19, 2025

•

5 min read

Why your sheet metal parts keep warping—and a free guide to stop it

Practical sheet metal design tips that save you tooling costs, scrap parts, and angry shop emails.

Aug 20, 2025

•

2 min read

Master the Basics of DFM & make parts that get a nod of respect from the machinist (not a sigh).

Design smarter, spend less, and stop sending parts that require five-axis wizardry to make.

Jul 15, 2025

•

2 min read

We've been working on this for months: Drafter’s Launch is Here — SolidWorks Drawings in 4 Minutes Flat

From model to manufacturing-ready, native CAD drawings, in MINUTES.

Jul 2, 2025

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2 min read

A Free Weld Chart for Your Toolbox 🛠️

Another practical tool for your engineering workflow—download the Weld Chart

Jun 25, 2025

•

2 min read

Your Left Hand Deserves Better

Give it the keyboard shortcut cheat sheet it’s been blindly guessing at

17 pages of injection molding DFM rules—free PDF for engineers

Learn how to design parts that mold cleanly the first time, straight from real-world molders.

Why your sheet metal parts keep warping—and a free guide to stop it

Practical sheet metal design tips that save you tooling costs, scrap parts, and angry shop emails.

Master the Basics of DFM & make parts that get a nod of respect from the machinist (not a sigh).

Design smarter, spend less, and stop sending parts that require five-axis wizardry to make.

We've been working on this for months: Drafter’s Launch is Here — SolidWorks Drawings in 4 Minutes Flat

From model to manufacturing-ready, native CAD drawings, in MINUTES.

A Free Weld Chart for Your Toolbox 🛠️

Another practical tool for your engineering workflow—download the Weld Chart

Your Left Hand Deserves Better

Give it the keyboard shortcut cheat sheet it’s been blindly guessing at

How to Make a Drawing That Won’t Get Roasted in a Design Review

Datums, tolerances, and everything in between.

Why your tolerance stack-up keeps failing—and a free spreadsheet to fix it

No-fluff walkthrough of what tolerance stack-ups are, why they matter, how to actually do one, and what to do when the numbers don't work out.

Over 100,000 Engineers Using Drafter Tools

MONTHLY ENGINEERING GUIDES

The Top 50 Hardware Startups That Have Raised Less Than $100 Million

From robots to recycled rockets—here’s what’s getting built.

Your Left Hand Deserves Better

Give it the keyboard shortcut cheat sheet it’s been blindly guessing at

How to Read a GD&T Drawing—Expert Tips From R. Dean Odell

GD&T drawings can be confusing—here's how to break them down

CHEAT SHEETS

A Free Weld Chart for Your Toolbox 🛠️

Another practical tool for your engineering workflow—download the Weld Chart

A Free Tap & Drill Chart for Your Toolbox 🛠️

Another practical tool for your engineering workflow—download the Tap & Drill Chart

GD&T Fans, Here’s What’s Next!

Engineering Tools You Actually Want (No Spam, Just Value)

BASICS

If You’ve Ever Hammered a Dowel Pin, You'll Know this Struggle

Understanding how parts actually fit—clearance, interference, transition, and why “H7/g6” isn’t just a weird robot code.

Why your tolerance stack-up keeps failing—and a free spreadsheet to fix it

No-fluff walkthrough of what tolerance stack-ups are, why they matter, how to actually do one, and what to do when the numbers don't work out.

How to Make a Drawing That Won’t Get Roasted in a Design Review

Datums, tolerances, and everything in between.

Engineering resources, insights, & practical wisdom

JOIN OVER 10,000 ENGINEERS

Keep up with readers from companies like SpaceX, NASA, Tesla, Apple and more.

JOIN OVER 10,000 ENGINEERS

FEATURED

17 pages of injection molding DFM rules—free PDF for engineers

THE LATEST

Why your sheet metal parts keep warping—and a free guide to stop it

Master the Basics of DFM & make parts that get a nod of respect from the machinist (not a sigh).

We've been working on this for months: Drafter’s Launch is Here — SolidWorks Drawings in 4 Minutes Flat

A Free Weld Chart for Your Toolbox 🛠️

Your Left Hand Deserves Better

TRENDING

17 pages of injection molding DFM rules—free PDF for engineers

Why your sheet metal parts keep warping—and a free guide to stop it

Master the Basics of DFM & make parts that get a nod of respect from the machinist (not a sigh).

We've been working on this for months: Drafter’s Launch is Here — SolidWorks Drawings in 4 Minutes Flat

A Free Weld Chart for Your Toolbox 🛠️

Your Left Hand Deserves Better

How to Make a Drawing That Won’t Get Roasted in a Design Review

Why your tolerance stack-up keeps failing—and a free spreadsheet to fix it

Over 100,000 Engineers Using Drafter Tools

MONTHLY ENGINEERING GUIDES

TRENDING

The Top 50 Hardware Startups That Have Raised Less Than $100 Million

Your Left Hand Deserves Better

How to Read a GD&T Drawing—Expert Tips From R. Dean Odell

CHEAT SHEETS

A Free Weld Chart for Your Toolbox 🛠️

A Free Tap & Drill Chart for Your Toolbox 🛠️

GD&T Fans, Here’s What’s Next!

BASICS

If You’ve Ever Hammered a Dowel Pin, You'll Know this Struggle

Why your tolerance stack-up keeps failing—and a free spreadsheet to fix it

How to Make a Drawing That Won’t Get Roasted in a Design Review

Engineering resources, insights, & practical wisdom

JOIN OVER 10,000 ENGINEERS

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