4 Using Loops and Variables
Starting with this chapter, you’ll learn ways to use OpenSCAD to work smarter, not harder. First, you’ll learn to use a very useful programming tool called a loop. Loops let you draw many similar shapes with only a few lines of code.
This is particularly useful when your designs have repeated features. For instance, if you’re creating a model of the Empire State Building, typing one individual statement for each window in the building would consume a lot of time. With a loop, you can repeat a single window along a fixed pattern so OpenSCAD can take care of the tedious work of copying and pasting the same window ...
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