# WEBINAR HIGHLIGHT: Maintain Optimum Trace Width and Spacing

**URL:** <https://sierraconnect.protoexpress.com/t/webinar-highlight-maintain-optimum-trace-width-and-spacing/3171>\
**Category:** Design for Manufacturing\
**Tags:** trace-width, dfm, trace, pcb-traces\
**Created:** [May 12, 2025, 4:11pm UTC](https://sierraconnect.protoexpress.com/t/webinar-highlight-maintain-optimum-trace-width-and-spacing/3171 "2025-05-12T16:11:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lucy.sierracircuits](https://sea2.discourse-cdn.com/sierraconnect/user_avatar/sierraconnect.protoexpress.com/lucy.sierracircuits/32/8_2.png) [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Post date:** [May 12, 2025, 4:11pm UTC](https://sierraconnect.protoexpress.com/t/webinar-highlight-maintain-optimum-trace-width-and-spacing/3171/1 "2025-05-12T16:11:48Z")

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https://fast.wistia.net/embed/iframe/5bhl2ewrhy

**Quick tip: How close can you route to the edge?**

When you’re routing traces, don’t hug the edge too tightly (LOL). Aim for **at least 5–10 mils** , depending on board thickness. If you’re using **V-score** , push it out further since more material gets removed. Some shops offer **jump scoring** , which lets you go tighter, so ask!

**Also good to know:** what copper foil is your fab starting with, and how much plating are they adding? That affects how much trace shape (trapezoid!) and etching shortfall you’ll get.

**Bottom line:** talk to your fab. It’ll save you headaches later.

**Watch the full webinar on [best PCB DFM practices to avoid manufacturing defects](https://youtu.be/RSXN5Xrf89A?si=fdHIcw5EY4KYJLQ4).**