Step #1
First commence the tutorial by making a circle and a dot in the center.
Step #2
Draw two intersecting lines as shown.
Step #3
Make a rectangle.
Step #4
Make four lines as shown.
Step #5
Draw a window.
Step #6
Make six lines as shown.
Step #7
Draw sofa lower portion shape as shown.
Step #8
Make sofa upper portion shape as shown.
Step #9
Draw four lines as shown.
Step #10
Make carpet shape on the floor as shown.
Step #11
Make 11 lines as shown.
Step #12
Draw two rectangle & two circles on the ceiling.
Step #13
Draw painting, cupboard shape as shown.
Step #14
Finally, make necessary improvements to finish.