Altium 21 Polygon Pours in polar grid

[lmagalhaes]

Hi there,

I design LED PCBs but I've come across a "problem". We often connect all of our LED strings in parallel so if one LED dies, the whole luminaire doesn't die. That makes me do this interlocking pattern on PCBs:



Now, I need to design a round PCB. I used the polar grids to place the LEDs, but now have to connect them all ... I've been trying with the polygon pours, but I haven't been able to fiddle with them as easily as I did when it wasn't round... so maybe I'm missing something really basic or easy. Or maybe, it's just that hard lol. Here's an example of what I'm trying to achieve:



So I want the same interlocking pattern, but now on this polar distribution. Anyone knows how to do this?

Thanks !

[T3sl4co1l]

Just rotate everything 90° and use concentric circles?  Idunno, what are you after?

Same applies on the linear board, really -- why stagger when they can be straight line?

You can draw polygons with arcs, CTRL+SPACE to cycle line style.  Or start with primitives (track and arc), convert to region, copy-paste the list of vertices into a polygon.

Tim

[ajb]

It may be easier to draw a small section of the staggered polygon around just one of the LEDs that's aligned to the rectangular grid and then copy, paste, and rotate it around to each additional LED.  Optionally combine all of them into one polygon at the end. 

Altium's handling of arc is pretty annoying, especially in polygon outlines, so you may get better results by using the arc and line primitives to draw the outline you want and then convert to a polygon from there.  I would probably be tempted to export the LED layout to DWG, draw the polygons in AutoCAD or inkscape or whatever, and then import the DWG back into the PCB as primitives and then convert to a polygon.