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How do you create a circular or curved trace?

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Message 1 of 3
m_walczak
270 Views, 2 Replies

How do you create a circular or curved trace?

Hi, I have circular PCB and I need to create traces that follow the edge.  So, I have to create a trace that is an arc.  I can't find that feature in Fusion PCB.  I have searched online but everything that I find is for a circular board.

 

Regard,

 

Mike

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Message 2 of 3
DavidVoxon
in reply to: m_walczak

Two ways to do it, allow rounded corners during layout, or (usually easier IMO) laying out 90 degree corners and coming back with the 'Mitre' tool to apply the rounding.

 

Of course, these are all for single-radii curves; for complex curves you'll have to get creative...

 

Rounded corners in 'Route Manual':

DavidVoxon_1-1674430514090.png

The options here aren't documented [are they?] but you want 'Trace Bend': the selected option creates a rounded corner on a 45° bend, and the one to it's right creates a rounded corner on a 90° bend. The 'Corner Radius' field specifies the maximum allowed radius of the bend (it will use less if it can).

 

Mitre tool:

DavidVoxon_0-1674430418575.png

Mitre works in the same way but is applied to a trace that's already laid out. Setting the radius to '0' sometimes lets you go back to a 90° corner (but seemingly only when it's not critical!)

 

Message 3 of 3
m_walczak
in reply to: DavidVoxon

Thank you I will try it

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