Firstly Mark (oh, and welcome!) what transfer medium are you using? Some are better than others, I always use the Cricut stuff, it’s so much better than Frisket for instance. Doing the Balkenkreuze, my method is always to firstly put an “empty” mask in place. Sometimes I prepare one specifically when I am designing the mask sheet, or I carefully lift the parts out of the actual mask using the transfer sheet. Then spray the empty mask area with white. When that is dry, carefully replace the mask elements which are still on the Cricut transfer sheet, so effectively the whole mask is back together as one. Finally, weed out the black area masks and spray. Remove the remaining masks when dry. Hope this makes sense and helps! Unfortunately I don’t have any sequence shots of doing a Luftwaffe mask, but this recent Typhoon roundel illustrates the principle, especially steps 1 and 2: Max