Easily adapt your RCBS primer flip tray to Dillon style primer tubes. Available for both large and small primers. Print one for each tube then press fit the adaptor onto the tube and leave it installed. Tap the tube with your fingers to simulate vibration and get them to fall nicely. The Large primers are more finnicky than the small.

You definitely want to print this using PLA Support Material, otherwise you may not get the supports out at all.