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Scaling - PowerPoint PPT Presentation


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Scaling. Scaling. Scaling is a skill used by many people for a variety of jobs Today we will learn this skill by making a scale model of the Statue of Liberty. Photo courtesy of http://www.freefoto.com/preview.jsp?id=1210-11-58. Steps of Scaling.

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scaling1
Scaling
  • Scaling is a skill used by many people for a variety of jobs
  • Today we will learn this skill by making a scale model of the Statue of Liberty

Photo courtesy of http://www.freefoto.com/preview.jsp?id=1210-11-58

steps of scaling
Steps of Scaling
  • Pick a scale you want to use to build a model.
  • Make a table of the dimensions to be used in your model from the dimensions of the object
  • Build your model using the dimensions calculated in step two
the statue of liberty
The Statue of Liberty

The Statue of Liberty has the following measurements. Copy these on a sheet of paper.

choosing a scale
Choosing a Scale

The first step of making a scale model is deciding what type of scale to use. Today you will be using a scale of

1 inch = 35 feet

The next step is to create a quick table of the dimensions of your model at the scale chosen.

Photo courtesy of http://office.microsoft.com/clipart/results.aspx?lc=en-us&Scope=MC%2CMM%2CMP%2CMS&Query=rulers

calculating model dimensions
Calculating Model Dimensions

To calculate model dimensions take the actual dimensions of the object and multiply it by the scale being used. Today we will neglect the inches used in dimensions (so 305’ 1” will just be 305’) and we will round off our model to the nearest ¼ inch in each calculation.

For example,

Actual length of right arm: 42 feet

42 feet

Round to the nearest ¼ inch to get 1.25 inches as the dimension for our model.

1 inch _

35 feet

X

= 1.2 inches

Photo courtesy of http://office.microsoft.com/clipart/results.aspx?lc=en-us&Scope=MC&Query=measuring

create your own table
Create Your own Table

Now create your own table with all the dimensions you will use for your model. Here’s how it should look with the one we already did filled in.

basis for your model
Basis for Your Model

To help with building your model you can draw a rough sketch of what you want your model to look like with dimensions drawn in. This will help when you are building your model to help you remember what size everything is.

Photo courtesy of http://office.microsoft.com/clipart/results.aspx?lc=en-us&Scope=MC%2CMM%2CMP%2CMS&Query=rulers

start building
Start Building

The final step is to build the model. Now sculpt the Statue of Liberty according to the dimensions you calculated.

Photo courtesy of http://www.ah.dcr.state.nc.us/sections/archives/arch/bmc_web_page/bmc.htm

questions
Questions
  • If the scale was 1 inch = 17 feet, what would the dimensions of the model be?
  • If the scale was 1 inch = 10 feet, what would the dimensions of the model be?