Sorry, I meant 7m not 7km. Still, the scale is wrong and the other comments re VRML and OC/STEP still stand.
- Cirilo On Fri, May 15, 2015 at 11:02 PM, [email protected] <[email protected]> wrote: > Hi Cirilo and all, > > please find attached an exported vrml file from kicad, converted from vrml > to STEP > the result is a step file readable by 3D sw e.g. solid works... > board and components are separated parts and can be manipulated in 3D sw > > I use to send these kind of files to 3D people to be inserted in a > mechanical layout system. > > Do you think this result could it be reasonable at this time? > > thank you > Maurice > > > > On 5/15/15 12:12 AM, Cirilo Bernardo wrote: > >> Hi Maurice, >> >> The STEP export has been discussed many times and OpenCascade is >> not suitable; I would never accept a STEP file produced by OpenCascade >> because it does not maintain the assembly hierarchy and other product >> data. Tom's demonstration code was very simple and we were hopeful at >> the time that OpenCascade will make life easier for us, but when I >> imported the model in SolidWorks I saw that I had many dozens of parts >> when I should only have had 3 parts. Inspecting the STEP file showed >> that the file generated is just not acceptable for mechanical engineers. >> The OpenCascade people offer a paid-for add-on which is supposed to >> provide the functionality required but this is obviously not suitable for >> us. >> We will have STEP export one day, but STEP is a much more complex >> standard than IGES so it will be implemented later. As for displaying >> such models (STEP and IGES) that is a non-trivial issue and I have no >> plans to do that. >> >> - Cirilo >> >> On Fri, May 15, 2015 at 2:19 AM, [email protected] <[email protected]> >> wrote: >> >> Hi Cirilo and all, >>> >>> as a first step to integrate STEP in kicad, I think exporting STEP plain >>> board (no copper, no silk) and modules would be a great improvement. >>> >>> I don't know if would be possible to integrate some libs from pythonOCC >>> http://www.pythonocc.org/features_overview/data-exchange/ >>> >>> I found in mail archive that Thomas did a sort of export to STEP >>> >>> >>> https://www.mail-archive.com/[email protected]/msg06620.html >>> what happened? any integration in kicad code? >>> >>> I noticed that step models are typically heavier in bites then vrml, so >>> rendering would be also heavier... >>> For that reason, and for the big existing 3D library, I would consider to >>> maintain vrml models for 3D rendering and add STEP export (and eventually >>> STEP import) in kicad >>> >>> please let me know your opinion... >>> >>> Maurice >>> >>> >>> >>> On 5/13/15 6:16 AM, Cirilo Bernardo wrote: >>> >>> You might mention that for those who need to interact with mechanical >>>> designers >>>> KiCad can export IDF interchange files. For those who like to roll their >>>> own, >>>> FreeCAD will read the files; for those who send the files to another >>>> shop, >>>> they >>>> can convert the IDF file to VRML and view it with a VRML viewer - no >>>> need >>>> to >>>> install FreeCAD. Plus: coming up (maybe towards the end of this year), >>>> KiCad >>>> will be able to export to IGES to provide the mechanical designers with >>>> a >>>> much >>>> more accurate 3D model of the project. IDF only represents components as >>>> simple extrusions, but IGES can provide accurate 3D models. I made >>>> component >>>> models for the demo projects 'video' and 'pic_programmer' to show the >>>> IDF >>>> exporter at work. If you wish I can send you a tarball of the IDF files >>>> and >>>> the >>>> resulting VRML files as produced by the idf2vrml tool. >>>> >>>> Making a few comparisons to Eagle: >>>> 1. KiCad has a native IDF exporter, Eagle requires the user to install a >>>> ULP. >>>> 2. KiCad: 32 copper layers, 16 tech layers; Eagle: 16 copper (I don't >>>> know >>>> the >>>> limit on tech layers). >>>> 3. KiCad: free + no artificial limits placed on capabilities; Eagle: >>>> artificial limits >>>> placed depending on license fees. >>>> >>>> Although the feature is still in development, once KiCad can export IGES >>>> models I expect this to become a free built-in capability. With Eagle >>>> you >>>> need to pay an *annual* license to a third party for IGES or STEP >>>> export. >>>> Note: I don't expect KiCad to have STEP export for at least another 2 >>>> years unless someone else with time on their hands is inspired to code >>>> it; >>>> I mean a meaningful STEP export which maintains product relationships >>>> and a proper assembly heirarchy, not the flat file produced by FreeCAD/ >>>> OpenCascade which is absolutely useless to mechanical designers. >>>> >>>> >>>> - Cirilo >>>> >>>> >>>> On Wed, May 13, 2015 at 1:48 AM, Adam Wolf < >>>> [email protected] >>>> >>>>> >>>>> wrote: >>>> >>>> Hi folks, >>>> >>>>> >>>>> I'm preparing a presentation on KiCad for Maker Faire Bay Area this >>>>> weekend. (Fun fact: the presentation after me is someone designing a >>>>> Raspberry Pi daughterboard *on KiCad on a Raspberry Pi*). >>>>> >>>>> The audience will be folks who may be interested in making PCBs, and >>>>> may >>>>> work with fancy pants PCB designers, but are probably closer to the >>>>> beginner side. >>>>> >>>>> I'm hoping to cover a little of KiCad history, newish features (openGL, >>>>> Python, P&S routing, differential routing), upcoming features (eeschema >>>>> revamp...), and the new release rhythm and nightlies. >>>>> >>>>> I know there's the longish videos by the CERN folks on the differential >>>>> routing, but does anyone have fun videos of openGL mode being awesome, >>>>> or >>>>> the P&S routing? >>>>> >>>>> I can make my own, but if someone already has them and is willing to >>>>> share, I'd love to include them. >>>>> >>>>> I hate to offer this, but if anyone else has suggestions on things I >>>>> should mention, feel free to send them on. >>>>> >>>>> Thanks everyone! >>>>> >>>>> Adam Wolf >>>>> Cofounder and Engineer >>>>> W&L >>>>> >>>>> _______________________________________________ >>>>> Mailing list: https://launchpad.net/~kicad-developers >>>>> Post to : [email protected] >>>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>>> More help : https://help.launchpad.net/ListHelp >>>>> >>>>> >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> Mailing list: https://launchpad.net/~kicad-developers >>>> Post to : [email protected] >>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>> More help : https://help.launchpad.net/ListHelp >>>> >>>> >>>> >> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~kicad-developers >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~kicad-developers >> More help : https://help.launchpad.net/ListHelp >> >>
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