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Some STEP Files Don't Work

I am trying to use the 3D step package mapping capability in Allegro (16.6 S038), but find that many step files don't work. I am downloading step files from 3dcontentcentral.com. I find some work just fine, but others do not show up in the mapping window preview or when in the 3D rendering of the PCB. I am pretty sure there is nothing wrong with the step files because I am able to load and view them fine in Solidworks.

Is anyone else experiencing this problem or have any suggestions/workarounds?

Thanks

JFuoco over 9 years ago

Thanks Steve. What exactly do you mean by "a location controlled by your steppath"? I'll also have to check my version to see if I'm on the latest hotfix.
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steve over 9 years ago

similar to psmpath which is a variable which tells PCB Editor where to look for PCB Symbols we also have a steppath which is a variable which tells PCB Editor where the step models are. Here's an app note on the complete STEP command http://www.parallel-systems.co.uk/images/PDF/Using_STEP_in_PCB_Editor.pdf
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TiBo over 9 years ago

This is for PadMaster.

I have the same problem then when I change the export unit to mm, it has been working great for me. Give that a try if you haven't do so.

Regards,

TiBo
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padmaster over 9 years ago

I installed Solidworks 2016 SP2 last week and I can now open Allegro STEP files.

I just wish there was a more accurate way of mapping the step files to footprints in Allegro.
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JFuoco over 9 years ago

Thanks Steve. I'm still having some trouble, especially with any Molex parts. They don't play nice for me. For instance, this one comes up blank in the mapping. Given that it is all Molex parts, I have a feeling it is something in my settings. I can open them fine in Autodesk Fusion 360.
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