Further Explorations - 3D Printing: Build your Own 3D Printer and Print your own 3D Objects - page 181

square to the new length—just change the value from 5 to 10 (doubling its length)
in the OpenSCAD program and you're done.
Of course, OpenSCAD is so much more powerful. Just as Tinkercad allows you
to combine cubes and triangles and cylinders to create larger, more complex ob-
jects, OpenSCAD works the same way—as you create more advanced objects
with OpenSCAD, the actual program becomes more complex. Fortunately the
OpenSCAD tool comes with a lot of tutorials and help, so if you'd like to give
OpenSCAD a shot, plan on doing some reading first to familiarize yourself with
the tool.