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3D modeling performance help
I've been doing 3D modeling for a while, and occasionally run into computer performance issues when the files get rather large. I've always seemed to find a work around, but I just wanted to see what everyone else might be doing in regards to their computers and 3D settings in AutoCAD. I have a layout drawing that has externally referenced 3D models in it. I typically use 3DCLIP to cut my views to show the correct elevations and hide entities that aren't pertinent to the drawing. AutoCAD 2015 3DCLIP command seems to be hit or miss a lot of times. Maybe it's my machine, or some of the settings aren't correct, but it's been quite cumbersome lately. A lot of times when the 3DCLIP command is activated, it dumps the graphics from the preview and some of the times fatal errors. I have also noticed that the clipping lines disappear when you pan inside of the 3DCLIP window. There are some reference models that were made in Bentley AutoPlant and ProSteel that have object enablers installed. I'm not sure if that could be the problem. I've found that unloading reference models while clipping the views has helped, but a lot of times, I need to see the steel and other entities to make sure the clipping plane is set correctly. The viewports are wireframe for their display, but the shade plot is set to hidden. Once the viewports are setup, it works great when creating PDF's or plotting the drawings, but getting there is the chore. What are other methods of creating section and plan views from 3D models that I could possibly use as alternatives? Any tips on this would be greatly appreciated. Thanks.
Current machine specs:
Windows 10
intel(R) Xeon(R) W-2125 CPU @ 4.00GHz , 4001 Mhz, 4 Cores, 8 Logical Processor
32.0 GB RAM
NVIDIA Quadro M4000 graphics card.
500 GB SSD
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and size of each XREF?
and the number of the XREFs?
In addition to AutoCAD2015 not being fully supported in Win10, and AutoCAD's inability to do anything with a Xeon processor's extra cores, the content of your files and the complexity of the content is what slows down preformance.
FYI your PC specs are about average these days for most of us users.
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The actual .dwg file that houses all of the references is around 4MB. There are 7 external references to the drawing. Most are under 1MB, but one is around 12MB, another is 3.28MB, and the other is 2.18MB. The files aren't that large in my opinion. These files are all being pulled from my C: drive as well.
"FYI your PC specs are about average these days for most of us users." is that for 3D modeling, or just CAD in general? I have AutoCAD 2017 on my machine, would that help the performance by changing over to it? Also, would you recommend and hardware upgrades from my current specs to possibly help performance?
Thanks.
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Yes, your PC configuration can be enhanced for 3D performance but its not the magic-bullet cure if the nature of AutoCAD with your file content is the actual problem.