• 목록
• 게시판 리스트 옵션
  • 수정
  • 삭제

Editor's observe: This article was originally printed in May 2016, and has been updated to incorporate a few additional choices.

CAD-laptop-aided design or pc-aided drafting, relying on who you ask-is expertise created to make it simpler to create specifications for real-world objects. Whether the thing you're constructing is a home, car, bridge, or spaceship, likelihood is it acquired its start in a CAD program of one type or one other.

More Great Content

Free online course: RHEL technical overviewLearn Advanced Linux CommandsDownload Cheat SheetsFind an Open Source AlternativeRead Top Linux ContentCheck out open source sources

Among the perfect-recognized CAD applications is AutoDesk's AutoCAD, but there are lots of others, proprietary and open source, out there. So how do the open source alternatives to AutoCAD stack up? The answer relies on how you plan to use them.

Let's start by being honest and upfront about one thing: If you are looking for a drop-in replacement to your current CAD program that will provide equivalent performance and workflow without making any modifications to your processes, https://autodeskautocad.online/ you're going to be upset. But I would argue that the reason for your disappointment has nothing to do with the licensing of the product-drop-in replacements for complicated packages with long-time customers who've particular wants and expectations for his or her software are laborious.

The trick for deciding whether a replacement piece of software program, whether open or closed, is an effective alternative for you is to tease out precisely what your needs are. The state of affairs is no totally different than discovering that the person who insists that they "want" Photoshop is simply using it to attract a number of geometric shapes and remove crimson-eye from photos; what they really want is a graphics editing software that may exchange those particular capabilities. Whether it has all of the bells and whistles of the original is irrelevant if those features sit paid for however unused.

My personal journey by open supply CAD programs was no totally different. I labored with AutoCAD briefly in grad school, so once i wanted to play with drawing three-dimensional plans for something, it was just about all I knew. But that alone didn't make AutoCAD your best option.

As I've strived to replace increasingly more software program in my life with open source options, Blender turned out to be just nearly as good for my 3D modeling wants, whether or not I used to be enjoying with models created for a 3D printer or looking at landscapes exported from other packages. And for the comparatively easy job of planning out my house landscaping initiatives, Sweet Home 3D has been an excellent open source alternative.

If your wants are slightly extra specific and you really need a devoted CAD program, listed here are great open source decisions to think about:

SALOME

The SALOME platform is an software and framework suitable for industrial design and simulation. It's a facet-undertaking of the 3D powerhouse, OpenCascade, and has some serious industrial users. SALOME integrates a CAD and CAE modeling tool with industrial meshing algorithms and superior 3D visualization. Its geometry editor can import STEP, BREP, IGES, STL, and XAO information, and its mesh editor can import UNIV, MED, GGNS, SAUV, and more. It has built-in Python support.

As with all other CAD functions on this list, it is open supply, so if you have in-house developers creating plugins for it, there isn't any have to deal with a clunky API. You could have direct access to the code base.

BRL-CAD

BRL-CAD is a cross-platform CAD instrument that dates back to 1979, though it might take 25 years for the source code to be released beneath an open supply license. In reality, BRL-CAD is so previous that it has been credited with being the oldest source code repository of an application presently in active growth.

Originally developed by Mike Muuss at the Army Research Laboratory, BRL-CAD is been used for many years by the United States navy for modeling weapon techniques, however it also has been used for much more on a regular basis design tasks, from tutorial to industrial design to health functions.

So what does more than 35 years of improvement carry you? BRL-CAD is made up of greater than 400 completely different constituent instruments and functions spread throughout greater than one million lines of supply code. Not all components are under the same license, with licenses ranging from BSD to LGPL to simple public area; the COPYING file within the mission's source code on SourceForge has extra particulars.

FreeCAD

FreeCAD is a parametric open source CAD program that was created to have the ability to design "actual-life objects of any dimension," and although it's clear that most of the showcased examples created by customers are smaller objects, there is no specific motive it couldn't be used for architectural purposes as effectively. FreeCAD is written primarily in C++, and if you are a Python coder you'll want to take advantage of the power to increase and automate FreeCAD utilizing its Python interface.

FreeCAD can import and export from a wide range of common formats for 3D objects, and its modular architecture makes it simple to increase the basic functionality with numerous plugins. The program has many built-in interface choices, from a sketcher to renderer to even a robotic simulation skill. Currently in beta, FreeCAD is being actively developed with common releases, but the builders warn that it may not yet be suitable for production use.

FreeCAD's supply code is hosted on GitHub and is made obtainable as open source beneath an LGPL license.

LibreCAD

LibreCAD is another CAD program that's designed to work throughout Windows, Mac, and Linux alike. A fork of QCAD (talked about beneath), LibreCAD has an interface that can look acquainted to AutoCAD users, and by default it uses the AutoCAD DXF format for importing and saving, though it will possibly use different formats as nicely. LibreCAD is 2D solely, though, so it makes extra sense if your intended use is a site plan or something similarly, err, flat.

LibreCAD is licensed under the GPL and yow will discover its full source code on GitHub.

These aren't the one options. Other good choices which can be worth your time to take a look at include:

OpenSCAD, which is billed as "the programmer's solid 3D CAD modeller," owing to the truth that it is not an interactive modeler, but one where modeling is completed with a script file.QCAD, which is cross-platform however restricted to two-dimensional purposes.SolveSpace, which is a parametric two- and three-dimensional CAD program.OpenJSCAD.org, which is an up to date frontend for OpenJsCad. Both are JavaScript-primarily based 2D and 3D modeling tools that run in the browser and are made accessible below the MIT license.

Since we won't include the entire choices right here, in case you have a favourite, tell us in the feedback beneath.

Are you interested by reading more articles like this? Sign up for our weekly e mail publication.

• 페이스북 공유
• 트위터 공유
• 구글+ 공유