# SPOT THE FLAW: Look closely at the boundaries of the copper regions

**URL:** <https://sierraconnect.protoexpress.com/t/spot-the-flaw-look-closely-at-the-boundaries-of-the-copper-regions/4416>\
**Category:** PCB Design Challenges\
**Created:** [August 26, 2026, 5:25pm UTC](https://sierraconnect.protoexpress.com/t/spot-the-flaw-look-closely-at-the-boundaries-of-the-copper-regions/4416 "2026-08-26T17:25:34Z")\
**Posts on this page:** 2\
**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:** [August 26, 2026, 5:25pm UTC](https://sierraconnect.protoexpress.com/t/spot-the-flaw-look-closely-at-the-boundaries-of-the-copper-regions/4416/1 "2026-08-26T17:25:34Z")

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![spot the flaw](https://global.discourse-cdn.com/sierraconnect/original/1X/27e140537b0ff29e00f5c09b8cea6a223ddf637e.png)

Answer on Friday…

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<div class="post-metadata">

**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:** [August 28, 2026, 10:24pm UTC](https://sierraconnect.protoexpress.com/t/spot-the-flaw-look-closely-at-the-boundaries-of-the-copper-regions/4416/2 "2026-08-28T22:24:30Z")

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Answer: Overlapping copper pours causing shorts.