In the last chapter, we got a little taste for solid modeling using geometric primitives in the open-source computer-aided design package OpenSCAD, a surprisingly versatile tool for 3D modeling. I am aware that working only with geometric primitives might sound, well, primitive, however, with these simple forms we can build up some rather complex 3D models. In this chapter, I hope to convince you of the utility of script-based modeling with geometric primitives as we pick up a few more OpenSCAD techniques while making a fully parametric design. And what better way than to make a model of a steampunk warship—specifically the HMS Thunder Child from H. G. Wells’ The War of the Worlds.
KeywordsGeometric Primitive Print Area Simple Cylinder Donut Shape Difference Listing
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