Step 1: Introduction to functions Camera Tools Principal Tools Drawing Tools Edit Tools Construction Tools Step 2: Drawing of sofa Draw a rectangle. Use Push/Pull icon, raise rectangle up. Draw another smaller rectangle on the top surface. Use Push/Pull icon, push the 2nd rectangle down. Draw a 3rd rectangle at the back. Use Push/Pull icon, raise the 3rd rectangle up. Step 3: Drawing of table Draw a rectangle. Use Push/Pull icon, raise the rectangle up. On each corner of the bottom of the rectangle, draw a small square. Use Push/Pull icon, push the squares down. Step 4: Drawing a irregular cylinder Draw a circle. Using the Freehand icon, draw a wavy line across the circle. Delete one part of the circle. Using Push/Pull icon, raise the remaining shape up.