Hi fredi, I'm having a bit of trouble visualizing what's happening, but it doesn't sound right. Can you take screen captures to show what you're talking about?
@zouhir, Nik has posted that they've had troubles with certain graphics cards on PC and they are working on a fix. Is this on a Mac or PC? If it's on a PC, you should send a report to support@buildbox.com and give them your graphic card's specs.
Did you see this thread. https://www.buildbox.com/forum/index.php?threads/buildbox-3-beta-3-coming-soon.14127/ They want people with PC graphics issues to PM @NikRudenko to get a test build.