Although, we've already covered the actual design of all three variant, camera placements, storage specs and the prices for all models. Also, the low-end variant of Galaxy S10 and S10+ is reportedly named as GalaxyS10e and will launched alongside these two top models.
As the video we're talking about is uploaded by a famous YouTuber MKBHD and shows an overview of how the devices will look like and for your information, this video doesn't includes the dummy of Galaxy S10e. So enjoy the video linked below.
Note: The actual design of these devices will be more polished than these examples and will be heavier as well.