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detail in our Make: Trigonometry book. Briefly,
• Download and install OpenSCAD (for Mac OS,
Windows, or Linux)
• Open a new file (Menu File New)
• Type in the short code that follows
• Render it (Design Render)
• Export a 3D-printable STL file (File Export
Export as STL).
If however you would prefer to just print the
STLs, we have included STLs for a single triangle,
square, pentagon, and octagon, as well as files for
the two OpenSCAD models we describe here.You
can download them all at makezine.com/go/skill-
builder-tiling.
To print a regular polygon of thickness t, with n
sides of length s millimeters, just type this code ...