I had a problem where i couldn't get 100% of the toothpaste from the tube so i designed and made a toothpaste roller. The top axcel is still but can turn, so that it doesn't tear the tube. The axcel under that is not turnable and position is fixed by 2 M10 thread nuts.
How it works: The bottom axcel needs to be lifted up as close as you can to the top axcel (1,25mm wide opening between the axcel's). Then insert the tube into it and then roll and pull the tube so that all of the toothpaste is out of it. Now you have saved 0,05€.