Hi, I have this 3d model that is giving me grief. Some elements simply disappear from the model. When I open the file all is there and then if I zoom on, those objects simply vanishes and if I try to select them copy them and paste them some other place, they simply do not paste. As if they were ghosts.
Is there an easy fixed, I look online to find a solution but nothing they suggest works. I downloaded 2 image showing the problem. On pics 2 i simply zoomed in a little and 6 pieces vanished, cant do anything with them. if you look where the cursor is on pics 2, that is the area it happens.
I have Autocad 2017 for student.
