3D Not Displaying Properly
Printed From: CAD Forum
Category: EN
Forum Name: AutoCAD
Forum Description: Discussion about AutoCAD and AutoCAD LT, viewers, DWG and DXF formats, Design Review, AutoCAD web, Drive, add-ons
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=569
Printed Date: 15.Jun.2026 at 19:58
Topic: 3D Not Displaying Properly
Posted By: nairb107
Subject: 3D Not Displaying Properly
Date Posted: 18.Mar.2008 at 01:09
I've been having a weird issue when working in 3d in AutoCad 2008. I've been finding that as I progress, at some point, the drawing will no longer display properly in any visual style other than 2d wireframe. In Hidden, Conceptual, and Realistic, there is no more "hiding" going on. I can see all the lines. I regen, and regen all and redraw but nothing helps. Also the quality of the image is degraded too, the colors on solids and surfaces are "blocky".
Even if i close the drawing, restart the computer and re-open it, the problem still exists.
The only way I've found that I can fix it is to open a new file and copy and paste the entire contents from the old file to the new. Doing a Save-as does not work. I actually discovered this accidentally when i was trying to determine if it was the version I saved the file in that made a difference. Then i can edit away for a while until it happens again.
At first, I thought it was a matter of my graphics card not being able to handle the drawing as it became more detailed, but when I discovered that I could copy the drawing and edit in a new file, it seems that the problem happens after a matter of time (or more likely a certain amount of changes).
I've only been working in AutoCad for a couple years doing 2d line drawing for a woodworking shop and I've just recently started working in 3d. I'm guessing that as I edit the drawing, the way all the changes get stored eventually get to be too much or to "jumbled" like a hard drive gets fragmented.
Has anyone experienced this or have any insight into this issue. I guess I'm looking for a way to "clean-up" the drawing file with some auto cad function, rather than copy the drawing into a new file.
<<<UPDATE>>>>
I think I found what I'm looking for. The purge feature under File->Drawing Utilities seems to work, but I seem to have to then save, then change the visual style to 2d wireframe and back and then regen/redraw for it to work.
I would still appreciate any further insight if anyone has any on this matter. Thanks
<<<END UPDATE>>>
Thank you to anyone who can lend some insight,
-Brian
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