Thingiverse
Paraboloid of Scad Cylinders by RexKFord
by Thingiverse
Last crawled date: 3 years ago
I found some paraboloids on thingiverse, but none that were written in a short way. Though this scad script is only 26 lines long, it makes a smooth paraboloid, but the rendering time is long. That's openscad's fault!
It's just a loop of scad cylinders. scad cylinders can be chopped off cones , which is what we're using here. The radius is proportional to the square root of the height. People should learn how to integrate this way in calc 2.
The main disadvantage of this is that scad is creating the end faces on the chopped cones (the primitive cylinder element), and we only really want the visible faces. This is why it renders slowly. The computer is still having to 'think' about many surfaces that are not visible in the end.
It's just a loop of scad cylinders. scad cylinders can be chopped off cones , which is what we're using here. The radius is proportional to the square root of the height. People should learn how to integrate this way in calc 2.
The main disadvantage of this is that scad is creating the end faces on the chopped cones (the primitive cylinder element), and we only really want the visible faces. This is why it renders slowly. The computer is still having to 'think' about many surfaces that are not visible in the end.
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