I've done quite a bit of 2D and I just use Inkscape as a CAD for that. But I never heard of Inkscape used for 3D, and I need to do a simple 3D model for a project, so it's time to move on. I do have some experience with an actual CAD (AutoCAD) in the past and would very much prefer a CAD that starts out with 2D projections and builds up 3D using extrusions of that. So, is this something FreeCAD would be good for or is there another free and open source CAD program for Linux you guys can recommend? It was kinda the main reason I didn't stick with Blender - was really hard to think straight away in 3D. If we're talking about a true free and open source 3D CAD software, on Linux, the answer is unfortunately simple: FreeCAD is the only real choice there is. This is not biased, this is from experience. When I made the switch to Ubuntu in 2007 I looked for CAD apps on Linux, and tried quite a few of them. I had a blog on which I reported my findings (CAD on Linux) which I took down last month. In 2010 I ended my quest because it was clear to me that FreeCAD would be THE open source 3D CAD app. There used to be HeeksCAD, geared toward CAM, but it's been more or less abandoned, with almost no activity. No package is available, so you need to compile yourself. True, there is BRL-CAD, but its modeling method is constructive solid geometry (CSG), which is very limited, and this almost 30-year old program has a very ancient GUI.īlender and Sketchup are not CAD apps. They are polygonal modelers and as such cannot produce accurate and suitable models for CNC milling or laser cutting. True CAD software either use CSG (outdated) or boundary representation (B-Rep). #Brl cad para windows 8 softwareĪll modern CAD software use B-Rep, and so does FreeCAD. OpenSCAD is popular in the 3D printing community, but it's a tool for programming-minded people - which I'm not. CSG (an open but non-standard file format) and. Polytechnick wrote:I do have some experience with an actual CAD (AutoCAD) in the past and would very much prefer a CAD that starts out with 2D projections and builds up 3D using extrusions of that. Like AutoCAD it can create lofts, sweeps, and quite a few things that AutoCAD can't.
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