Here is the full list of all 16 My Dream Setup achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Paint 50 walls
Take a screenshot of your room
Place 50 pieces of furniture
Change furniture color 10 times
Turn something on
Paint 10 walls
Change weather
Place 10 pieces of furniture
Shape your first room
Place 500 pieces of furniture
Paint 500 walls
Draw 5 minutes in blueprint mode
Draw 30 minutes in blueprint mode
Draw 60 minutes in blueprint mode
Change furniture color 50 times
Change furniture color 500 times