I've been trying envelope bagging recently and have decided to revert to taping my bags to the flange. With envelope bagging it's easy to set up and get a leak-free seal but I got bored of sanding resin ridges from the back of the mould and I was using twice the amount of bagging film. Has anyone else tried envelope bagging and preferred it?

Ive done some small parts that were wet lay and bagged and kept the rear of the mould clean by simply sticking some masking tape on to it.