kicad-developers team mailing list archive

[Thomas Pointhuber <thomas.pointhuber@xxxxxx>]

Hi,

as librarian I would also note that an improved Edge:Cuts behaviour
should take in account footprints which define Edge Connectors or cutouts.

At the moment, cutouts are incorrectly rendered in the 3d-viewer when
showing a single footprint, because there is no difference to a board
outline
in the actual file representation. Edge Connectors are especially
tricky, because KiCad requires the Edge.Cuts primitives to match
exactly. I think it
would make sense to add such connectors to the library as well in the
future, but using them would be to tortuous at the moment.

Regards,
Thomas

Am 2017-11-21 um 15:48 schrieb easyw:
> Hi Henner,
>
> I know this is outside the KiCad branch, but if you want to manage
> complex board edges including arcs, ellipses or bsplines, you may
> consider useful KiCad StepUp...
> Recently I've added a feature to allow the user to design the pcb edge
> in FreeCAD and push it to KiCad_pcb board file.
>
> The collaboration between FreeCAD and KiCad is bi-directional, then
> revisions are possible...
> You may have a look at a small tutorial here
> https://youtu.be/n44iBpu_YjY
> and at the KiCad info forum page
> https://forum.kicad.info/t/kicad-stepup-the-sketcher-for-getting-to-blinky/7826
>
>
> The idea is to manage complex board edges in a mechanical environment
> to be able to check collisions and dimension constraints.
>
> Regards
> Maurice
>
> On 11/21/2017 6:42 AM, Henner Zeller wrote:
>> Hi,
>> So polygons are very neat as they employ the nice polygon drawing
>> features we are used to from zone drawing [*1].
>>
>> A missing feature here is to _not_ have them filled but simply an
>> outline. Why ? This would be _very_ useful to draw Edge.Cuts.
>> Currently, the only way is to draw single lines, which are then hard
>> to adjust later, as they all fall apart into separate lines, and have
>> to be edited manually.
>>
>> Now, if that could be drawn with the polygon tool, that would remove a
>> huuuuge pain having to deal with outlines (and yes, I know the usual
>> advice to draw that separately and import as DXF. But what if I could
>> just do simple polygons directly ?).
>>
>> Also what we could get for almost free then: Chamfers and Fillets. I
>> like to have boards with rounded corners [*2], but currently this is
>> of course a torture to do manually and and dread it every time it
>> comes to that part of the project: draw a rectangle with the line
>> tool. Do circles in the corners and manually calculate where the
>> center and the start point is, shorten the lines accordingly to match
>> the length shorter the radius. Do that on all four corners. That
>> easily takes several minutes and high concentration. And god forbid
>> one wants to change that again later ...
>>
>> Now how wounderful that would be if that could be done with the
>> Polygon tool and I just choose to have a fillet or camfer. If this is
>> something nobody is working on yet and if people think this is a good
>> idea, I might have a look over the Thanksgiving days.
>>
>> Cheers,
>>    Henner.
>>
>>
>> [*1] also see my mail before [All kinds of glitches], Polygons as-is
>> are currently broken and maybe the concept should be merged with the
>> zone ?
>>
>> [*2]
>> https://raw.githubusercontent.com/hzeller/quadrigotion/master/img/tmc2660-quad-render.jpg
>>
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