No, they aren't broken. If they aren't working for you, you're doing something wrong. Note that they are 5 variations of the same thing. The first two variations just use edge lines for the logo geometry, so wouldn't show up at all in a photo-realistic render. The five studs look like so:
![[Image: C542sGx.png]](http://i.imgur.com/C542sGx.png)
stud-logo.dat
![[Image: c5utNwq.png]](http://i.imgur.com/c5utNwq.png)
stud-logo2.dat
![[Image: nSs8nzi.png]](http://i.imgur.com/nSs8nzi.png)
stud-logo3.dat
![[Image: hdDx6Ww.png]](http://i.imgur.com/hdDx6Ww.png)
stud-logo4.dat
![[Image: dHGnafU.png]](http://i.imgur.com/dHGnafU.png)
stud-logo5.dat
In my opinion, 4 looks the best, 5 looks too shallow, and 3 looks OK, with a lot lower geometric complexity.
stud-logo.dat stud-logo2.dat stud-logo3.dat stud-logo4.dat stud-logo5.datIn my opinion, 4 looks the best, 5 looks too shallow, and 3 looks OK, with a lot lower geometric complexity.