Hi Collin, On 09/24/2016 05:55 PM, Collin Anderson wrote: > I do lots of DC/DC stuff with power dissipation one of my primary concerns - > so I stitch and I stitch A LOT. > > These are just some honest thoughts from someone who has done boards with a > several hundred stitched vias on a board no bigger than 25mmx50mm. > > So, stitching that is done in any way using the actual router is unbelievably > painful.
Just to alleviate your pain a bit: some time ago there has been added an option to lock tracks/vias and it is respected by the router. Regards, Orson > 1. Vias can normally be pushed and shoved. Which is great for routing vias, > but both annoying and extremely (but pointlessly) computationally expensive > if the PNS router gets too close. If the PNS router were James Bond, it's > arch nemesis is the evil but charismatic Dr. Giant Grid of Vias Right Next to > Each Other But With Gaps To Move Around A Bit. > > 2. Vias that behave in all the ways they behave from an interface standpoint > are not very conducive to stitching. Stitching does not involve routing at > all, you're stitching two copper planes together. There is no advantage I > can see to using the routing tool/mode to stitching, but several > disadvantages. > > I've yet to see a proposed solution that is faster or easier than having a > handful of "via" footprints, which are simply single through holes without > any mask layers, and placing one manually, setting the net, and going nuts > with copy % paste. > > The only problem with this is that footprints are also not ideal and will get > deleted with other "extra" footprints if you reimport the next list, stuff > like that. > > Via stitching done via the routing tool is just a huge pain in the butt. > > I do like the idea of automatically connecting unconnected holes that span > pours of the same net though. That's a good idea. What would be awesome, in > my opinion, is doing this but in a way where one is not limited to Vias > specifically, or perhaps an alternative stitch tool with different behaviors > than the normal routing tool. > > I know a few times, I've forgotten to set the net for my initial via > footprint, or set it to the wrong one, only to realize this after placing 200 > of them. Painful mistake that could be solved with something like this :). > > On Sep 24, 2016, at 6:06 AM, Heikki Pulkkinen <hei6m...@gmail.com> wrote: >> >> Hi everybody, >> >> This is my suggestion to via stitching without any tracks. It connects >> unconnected vias in different copper pours witch has same netcode. Adding >> vias is normal routing process without routing tracks. Start - Change Layer >> - End. Tool that do those things automatically would be good, so you can add >> all vias in same layer. After adding vias, run "Fill or Refill All Zones" >> that "Clenup tracks and vias" do not remove partly connected vias. >> >> >> Heikki >> <diffs_via.txt> >> _______________________________________________ >> Mailing list: https://launchpad.net/~kicad-developers >> Post to : kicad-developers@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~kicad-developers >> More help : https://help.launchpad.net/ListHelp > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : kicad-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp >
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