Using the shoe last model John gave you in another thread
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import John’s shoes (it’s huge and needs to be Scaled down with the Scale tool). It’s a component. So left and right are the same. If the feet are different, make one of the forms Unique (select > r-click > Unique) so modification in one foot component will not affect the other foot.
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import foot outline(s) and scale it to life-size
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Some tips on using tool from the Sandbox extension that comes with SketchUp. **Tips **with the Move tool. **Tips **on the Scale tool.