Top View
Rectangle
Push/pull upward
Offset the rectangle
Make rooms with lines
Make lines for door
Push pull upward the outer part (wall)
Side View
Make lines to find center for windows
Put windows using rectangle
Push/pull to erase the window (push/pull the thickness of the wall)
SAME ON THE OTHER SIDES OF THE WALLS
Top View
Make circle (make group)
Make the line connected to basic line in origin
Move the front of the line upward
Rotate option move with cursor to the basic line and x23
Select all lines
Move option (connect with the top of the line) and x23
Select a line (make group)
Select all (except circle) and erase
Select line, scale and lower
Move option (connect with the top of the line) and x9
Copy paste and rotate 180
Select the circle and push/pull upward to the top of the coil
Explode the circle
Select both coils and explode
Select one coil and scale and move it inside 0.70 on all sides
Front view
Line on origin upward, left, and upward again all intersecting
Bottom view
Circle on the origin
Offset the circle
Erase the circle in the middle
Select line
Put follow me
Erase line by clicking 3 times