Tutorial - How to make a metal BOWL? This tutorial takes you through the process of shaping a metal bowl - Preparation, Shaping Form, Refinement. [PREPARATION] What you need: Step 1 - Decide a size of your bowl, prepare an aluminium sheet to draw on. Remember it will shrink as you shape the form. Step 2 - This example is 250mm x 250mm. Measure diameter 25cm with ruler, draw a circle with compass. Step 3 - Trim the circle shape with a metal cutter. Step 4 - Smooth the edge with a smooth file. Step 5 - Draw vertical, horizontal, and diagonal diameters to assist measuring. Draw two circles at 1/3 and 2/3 distance, in this case each circle around 8.3cm away from the next. This is to indicate where to shrink and stretch, as explained later. [SHAPING FORM - SHRINK AND STRETCH ] Making a bowl is all about shrink and stretch. You will get a perfect bowl after repeating this process a few times. Step 0 -