You can go run this program: ]=> go run test.go ]=> go run /ljanyst/ghostscad/util/stub_generator -file-name test.go You can then generate a minimal program rendering a sphere using a stub generator: ]=> mkdir test cd test You need to start with creating a moduleĪnd downloading GhostSCAD: ]=> mkdir model cd model Since Go is a general-purpose programming language, there, unfortunately, is Here should you wish to get a complete picture.
LEARN OPENSCAD HOW TO
To get a pretty good feeling of how to use it. Slightly new way of doing the old familiar things, it should be enough for you To use GhostSCAD by providing a couple of examples. I will then just cut to the chase and illustrate how If you've managed to read this far, it is probably safe to assume that you know This article summarizes the results of this investigation.
LEARN OPENSCAD TV
I called the system GhostSCAD, and the TV table rack project is Size that I needed - a small computer rack for all the electronic gadgets thatĪccumulated under my TV table and evolved into a maze of wires, routers, and I used this system to design something of a non-trivial Of a model, which can then be compiled to OpenSCAD source and further processedīy vanilla OpenSCAD. I designed a Java3D-like API that can be used to build the geometry tree It's a garbage-collected language with great tooling, and it compiles reallyįast. Threats I had made when I designed the chassis for my NASĪnd played with solving the issues mentioned above. I finally managed to find enough time to make good on the Solving the first issue is just a matter of making functionsįirst-class citizens, which would probably be an easy change to the OpenSCAD That analyze or manipulate the geometry tree in interesting ways before it is
Properties that you could use for integration without exposing how these For example, doing so would allow the module objects to have Significant improvements can be made if youĭivorce the two. The last two issues fundamentally stem from the fact that, in OpenSCAD, theĪbstract syntax tree of the program you're writing represents the geometry tree Reference in which each part was designed. Non-trivial function of the module's input parameters), and the frame of Parametrized components, the arrangement of attachments (which were a That ended up being impossible without knowing the dimensions of the Secondly, I needed to design the components separately to 3D print them later.īut I also wanted to visualize the model as a whole to see if things fit
It quickly became cumbersome, though, and started to look pretty Information when supplied with the same parameters as the modules theyĭescribed. I ended up defining a bunch of helper functions that would compute this Obvious way for the modules to expose the necessary information to the outside Screws without knowing the internals of each of the modules, and there was no I could not determine the locations of bolts and Everything worked fine until I had to figure out The enclosure holding the optical drive and the ARM board to be parametrized by
The number of disks it could contain and their size. OpenSCAD to model the enclosure for my NAS project.įirstly, I wanted part of the enclosure holding the disks to be parametrized by The issue of leaking abstractions became more visible when I started using You need to be aware of its internal workings to plot what you It also makes the grapher module leakĪbstraction. It is cumbersome,Īnd it could, in principle, be automated. The grapher could build the desired polyhedron out of them. Instead, I had to generate an array of 3D points in a particular order so that That I could not pass the function being plotted to the module doing the work. It also made me realize some of the system's limitations.įor example, when doing the function grapher exercise, I was disappointed Showed me the expressive power of the relatively few basic concepts provided by Started learning OpenSCAD from this fantastic tutorial that quickly
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Being a software engineer, the ability to code up myģD models and keep them readably under version control pleases me immensely.
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