Hey there! As a 3D printer addict I do a lot of small parts in CAD to print and use around the house. Lately I’ve been exploring all sorts of CAD software since finding out there’s a more around than just Fusion360 and Onshape so I started exploring what’s out there and jotting down my impressions.
Hope this is not spam, just want to help people see what’s around and help them pick!
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Unfortunately there aren’t a whole lot of good options. They’re either commercial and therefore potentially cost $$$ (or are time limited or otherwise restricted), or they’re free and kind of suck in one way or another.
Of the commercial offerings I like OnShape. I think Fusion 360 is fine too. They’re WAY more powerful than anyone needs for just designing 3D parts but they’re still powerful, well designed tools. I think if your needs are simple and you don’t care a great deal about complex shapes then Tinkercad is great too.
Of the opensource, FreeCAD is the closest to OnShape / Fusion 360. It’s a parametric modeller like they are but the user interface that throws every button in your face at once and doesn’t bother to sort them very well or provide context. It’s not an intuitive or forgiving tool and really needs a usability makeover to make it as simple as the commercial equivalents. I’ve never had much success with it because of this.
Blender is pretty popular for modelling. It’s not really CAD so it’s likely more useful for modelling free form / artistic stuff. The UI is pretty complex but it is extremely powerful.
OpenSCAD is pretty neat if you want to create something by essentially programming a shape and rendering it. It works well for certain kinds of geometric designs that are better expressed in code. e.g. maybe you have to punch 100 holes in a spiral pattern on the side of a box or something.
It’s worth noting that the version number of FreeCAD is 0.21 so it’s still very much a work in progress. It has a solid base of a very powerful 3d engine and is the bare bones of a CAD system that is usable now and will only get better.
I think FreeCAD should feature freeze and redo it’s entire GUI to make what’s there more usable. Take a look at OnShape or Fusion 360 and do something similar. Hide infrequently used buttons, put labels on commonly used buttons, make everything more context sensitive, task-centric, forgiving and user friendly.
