I don't go anywhere without my hat, but The Great Fredini suggested it might cause occlusion problems with his otherwise fantastic Scan-O-Tron: http://zheng3.com/2013/10/07/hats-off-to-the-great-fredini/
Read all about the my experience with the scan and remix over at Zheng3.com.
Seej patient zero. Barbie Armor Designer, artist, worst programmer ever. Mostly illiterate, but has minimal competence in spoken Mandarin. Not real clear on Ohm's law.