Polished Brass 30 inch Air Horn, custom mesh
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I use a short script I wrote as a plug-in for the CamBam CAD/CAM CNC program to generate custom meshes that are either difficult or impossible to make within SketchUp. This is an example of a 5th power inverse parabolic curve used to generate the horn. CamBam exports to DXF which may be imported by SketchUp either via a plugin or as a native feature of SU Pro. CamBam is available in a trial version that doesn't expire and has all features enabled. The only limitation is on the number of lines of G-Code it will generate. This has no effect at all on the ability to render complex curves as may be generated by my script. If someone wants to port it to Ruby it would make a nice plugin for SketchUp. I am not up to speed with Ruby as yet but when I have time it will be on my list of things to do.
My CamBam plug-in source code/script is here: http://ixian.ca/server/polygonemesh_V5.vbs
The horn:
Rendered in PovRay 3.6 with hand tweaking.
Link to the horn skp:
This is an example of the sort of complex meshes that may be generated as well as open spirals, helices, regular polygons both 2D and 3D and a wide assortment of solids from prisms to just plain weird things.
Here is a just plain weird thing:
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