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Teardrop misaligned with SMD pad #16

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pdp7 opened this issue Dec 17, 2019 · 3 comments
Open

Teardrop misaligned with SMD pad #16

pdp7 opened this issue Dec 17, 2019 · 3 comments

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@pdp7
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@pdp7 pdp7 commented Dec 17, 2019

This is a minor issue but I noticed that the teardrop does not seem to be aligned as good as possible with SMD pad in my flexible business card design.

Here is what the plugin creates:
https://drive.google.com/file/d/1lRFflo2ZKCVdB1BJzMa1ozuS1OzSonR4/view?usp=sharing

I tweaked the the teardrop zone by moving it to flow better into the SMD pad:
https://drive.google.com/file/d/1imy8g4_UDSdoS6f8n0J__WEpn0eMUByY/view?usp=sharing

Here are the default plugin settings that I am using:
https://drive.google.com/file/d/1nGocxgLwbLY6CU8cGp8Qq-fnyXvXXEJm/view?usp=sharing

Here are the Kicad files:
https://drive.google.com/open?id=1hz9ONDfelWEIUYXDV2plO-qj53FYXv-R

Thanks!

@pdp7

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@pdp7 pdp7 commented Dec 18, 2019

My colleague @tekdemo made the observation that:

I'm betting that it doesn't support square pads, so it's using the pad size and treating it as you would a circle.

Here is an image:
https://drive.google.com/open?id=1gMsfAvsQHncMkAzHFHOjQy3PrJKn0-DX

@NilujePerchut

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@NilujePerchut NilujePerchut commented Dec 18, 2019

You're right.
SMD pad support is just basically treating SMD pads as if they were rounded TH pads/vias.
I will take a lot to see if it is possible to take in account the pad shape. But it seems difficult since Kicad is now allowing custom pad shapes.

@pdp7

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@pdp7 pdp7 commented Dec 26, 2019

@NilujePerchut I am not sure how else to send this to you but I wanted to say that I wrote a blog post about using the plugin: https://blog.oshpark.com/2019/12/25/teardrops-in-kicad/

thanks so much for your efforts! if you ever want flex PCBs for testing, then just email me at drew@oshpark.com

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