Start with ellipse in Right viewport. (Click on diameter option) and input for end of first axis 32mm, and for end of second axis 16mm.
Now, using Rectangle (select Rounded option) make a rectangle (first length 20mm, and second 13mm, and center it in the center of our ellipse:
Rotate the two curves from top viewport, and extrude with no other extrusion options:
Trim the inner part of outer shell of our dryer with extruded ellipse, and split the inner shell of dryer with extruded rounded rectangle:
Loft the edges:
Fillet the Edge with 1mm radius.
Now, create this little rounded rectangle, and position it like on the image:
And for the end, we will make another button. The first one was for controlling the fan speed, and this one is On/Off button. So, create an Ellipsoid:
Fillet the edges with 0.4mm, and you’re done!!!