/challenges-projects/design-challenges/hats-off/b/blog/posts/sanding-bondo-off-the-helmetHello again, readers! With 9 days to finish my helmet, you guys can expect a lot of grouped videos! In this video, I show how to sand Bondo to smooth it down, this is a pretty straight forward concept, but takes HOURS of work.I have done a LOT of woren-USTelligent Community 12