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Create Spiral Diagrams in PowerPoint easily. Follow our step by step instruction to draw this useful diagram accurately and quickly.

The spiral model you’ll learn in this tutorial is:

Though the diagram looks simple, it is not so easy to draw this diagram in PowerPoint. In this tutorial you’ll learn to create the diagram in a simple and effective way. But, before that a quick word about…

Spiral life cycle model or Incremental model:

The spiral or Incremental model is usually used in software development. The model is designed, implemented and tested incrementally till the product is finished. Since it follows the philosophy of iterative development, the process is also called as prototyping model.

Though the model is quite specific to Software development, the concept is readily applicable in most management and strategic presentations. That is why we thought of giving you step wise instructions on drawing this useful model.

Let us get on with our lesson right away…

1. Draw a set of semicircular arcs

The easiest way to create a spiral diagram is by drawing and merging semi circular arcs.

Go to Auto shapes and select the Arc tool.

 Extend the yellow handles till you create a perfect semicircular shape. Test the shape by drawing a flat line and placing the arc on top as shown here:

 Getting the arc in a proper semi circular shape is extremely vital for the accuracy of the diagram. Once you get the shape right, make 7 copies of the shape apart from the original one.

Select an arc, go to Format ribbon and enter the height and width as 0.75 each. This will create a semi circular arc with 0.75pt as diameter.

 The same way create arcs with diameters of 1.5, 2.25, 3.0, 3.75, 4.5, 5.25 and 6.0pt. Once done, select them all -> Arrange -> Align -> Align Centre and Align Middle. You will get the following result:

2. Group alternative arcs and flip them vertically

The next step is to select alternative arcs and color them red using ‘Shape Outline Color’ option.

 Now, group the red and black arcs separately. Select the ‘black arcs’ group -> Arrange -> Rotate -> Flip Vertical. You will get the following result:

 Select both the groups -> Arrange -> Align -> Align Right. Change the Shape Outline Weight to 3 pts. Your spiral chart is ready:

 You may also be interested in the tutorial for creating a Venn Diagram and see some creative examples of the diagram here >>

Application of the diagram:

You can add an arrow head to the last semi circle of the Spiral Model and place it inside a wheel diagram to indicate spiraling process as follows:

Source: Editable PowerPoint Spirals from CEO Pack 2

Or you can use the diagram just created as part of segmented wheel like this:

Source: PowerPoint Spirals | CEO Pack 2

You can add an arrow tip at the end of each semi-circle and use the spiral model in a four-quadrant chart as follows:

 The application of the diagram is limited only by your imagination.

Related: Tutorial to create Elegant Calendar in PowerPoint

More Diagram options for business presentations:

Models like the one you learned in this article are essential for any business presenter to communicate their business messages effectively. But, not all business presenters have the time to create these diagrams from the scratch.
Circular Cone Diagram

3D SWOT Analysis Diagram

3D Venn Diagram

That is why we came up with our ‘PowerPoint Graphics, Concepts & Models CEO Pack 2’ – which has 815+ high quality, fully editable PowerPoint templates for busy business presenters like you. Please take a look at some of the samples from the pack:

You just need to copy the diagrams from the pack to your slides and replace sample text. Your professional presentation gets ready in minutes. It is a smart way to utilize your valuable time.
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Please browse through our templates collection and see how the pack can change the way you create presentation slides forever.

Related: 2 Interesting Circular Arrow Alternatives in PowerPoint

Related: Create An Eye-catching Spiral Chart in PowerPoint

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