Hhmm.... That image doesn't look like it's lying on a table. But I think I get the idea now. Let me ask another question. After you have the 2 sides, do you plan on editing the 3D Box any further? If not, there's a simple solution. -- Select the first side that you made. Path menu > Object to Path ...

I'm not sure what you mean about the format that's given for you to use. Maybe it was a different website? In any case, I don't see anything upsetting about your question. Although we might need some more details.... I've tried to use the 3D Box tool in the past, to draw a bookshelf loaded with boo...

Now this may seems stupid, but I'm not going to use the format that's given for me to use, because the last time I sued a similar format, everyone completely missed the point of what I was trying to say. I'm also just here for a somewhat quick answer to a problem I've been having for a while. So apo...