My resin its been stored for too long, now its old and its making bubbles, casted like 7 rims and took theese 4 that were the best, but i have to order some new resin, here are the pics:
i ran out of Mr surfacer 500, so i did a Tamiya gray putty and laquer thinner solution to fill the bubbles in the resin, i put some in a small cap and aplied with a small brush: