Additions:

Added a door, window, and floor options in build mode. (press 2, 3, or 4 to be able to place the build items respectively)

Updated the old furniture models and added the fridge, small plant decor, couch, and toilet

Pressing the “f” key will activate “grid-lock” mode which is a setting used to rotate furniture at 45 degree angles and move objects every .25 of a unit.

Changes:

Instead of using the arrow keys, keys Q and E will rotate the object and scrolling your scroll wheel

Pressing the middle mouse button will deselect your current item