Thanks for posting. I was looking to design something similar, but came across your design and figured I would save time and give it a try. I had to cancel 2 prints 2 hours in when they got slightly past the physical center of the "b" logo due to the printer head catching the material and/or support structure. When I look at your picture I see that the centers of your "pb" logo are missing, leading me to believe you may also have had a print issue in that area. Not wishing to spend any more time tweaking print settings, I am giving up. If you were able to provide a model file where the logo is not present (or modified for easier printing), I would give it one more attempt.