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I'm hoping someone can point me in the direction of a 3D modelling program or some such.

I simply wish to draw/view: edges/lines; solid triangles; wireframe boxes. I also prefer to manually adjust individual vertices.

Everything I've found seems focused on high quality models or engineering and design. This is understandable but I can't find simple access to the features I require.

This is to help visualize a project I'm working on.

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  • I'm voting to close this question as off-topic because it shoud be in softwarerecs.stackexchange.com – xenoid Oct 14 '17 at 22:36
  • @xenoid simply because a question is on topic somewhere else doesn't mean it's off topic here – Zach Saucier Oct 15 '17 at 0:38
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    Blender is a free open source 3D app. You may want to spend a little time learning your way around with an intro tutorial like this or this. – sambler Oct 15 '17 at 5:26
  • A free software, just as @sambler said is Blender, you can do a lot with it but if you are looking for something that's easier to use, you can always try Google SketchUp especially if you need it for a limited time and just to visualize a project, the free trial will be more than enough. – Alin Oct 15 '17 at 8:52
  • @sambler Blender is awesome and with some experience with it I could probably do what I want but it seems like a steep learning curve for such simple requirements. Thanks for the recommendation though. – VrydayVrything Oct 15 '17 at 17:39
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For questioners asking simple 3D freeware, I have several times recommended DesignSpark Mechanical. It's a bare bone simplification of SpaceClaim Engineer, but still has a remarkable value. Here are three different views of a random drawing that I made in one minute:

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And here is another made for removing all suspects of the incorrectness of a simple manual drawing:

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Like the free versions of commercial high cost software usually, there are plenty of planned limitations. Some of them:

  • There's no other 2D output than screenshots or printing. Fortunately there's some usable exports( see NOTE1).
  • Assembling prepared parts exactly with snaps is prohibited

NOTE1: Exporting as several widely used polygon meshes is possible. Printing the current view with Adobe PDF gives a PDF which is an Illustrator compatible vector drawing - change only *.pdf to *.ai in the Windows file explorer. The last omission in the freeware invalidization process rises the value of the software so much that it must be considered to be an error. I didn't even believe its existence until I one day accidentally opened a wrong PDF in Ai and saw it editable.

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I think that I'd either recommend Blender or OnShape.

Blender and OnShape are both freeware, each in a different sense and each in their own operational sphere.

Blender is a 3D modeling tool for 3D artists, and has both phenomenal power and a decent degree of simplicity, albeit true that the workflow and toolpipes in Blender are largely unlike any other 3D artist aimed DCC tool - so what you learn there doesn't necessarily translate easily to other such tools. It's reasonably fast, easily extensible, and is often the first n the 3D DCC tools out there to get new exciting technologies plugged into ti by excited open-source coders the world over - though often the documentation is kinda rough.

OnShape is a free, online-based engineering 3D environment and toolset, directly equivalent to Solidworks, and was in fact developed by a number of the technical leads from D'Assault Systems who had previously developed Solidworks. The workflow is not a 3D artists workflow, but rather an engineer's, and the tool is immensely powerful and rich, but if you've never used that kind of tool, it may be both overkill and a steeper learning curve, though I must say I was able to get onboard and be productive pretty darn fast.

Of the two, Blender is more likely to be the tool I'd recommend to the OP.

For myself, I use a range of 2D and 3D design tools, including Blender, but my 3D DCC of choice is modo, which is not freeware at all; in my case the excellent customer and technical support, the incredibly artist-friendly workflows and the massive flexibility of the toolset make it worth my time and money hands down.

I also recommend that the OP look into both SketchUp (though clearly Trimble has already shifted the free version to an in-broswer workflow only) or Form*Z free as they each have strengths to recommend them to a new user's entry to 3D design. Both are aimed more at mass modeling for architects and landscape architects, but can have multiple uses given the range of the tools they present; I won't detail the use-cases here for these two, but each has a very different modeling workflow from any of the other tools presented so far.

Hope this helps.

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  • Blender is not simple. – Nothingismagick Feb 28 '18 at 0:36
  • @Nothingismagick nothing in 3d is simple. mechanical CAD apps come closest to being simple, but because 3d is a complex concept nothing in 3d is simple – joojaa Feb 28 '18 at 5:42
  • SketchUp is pretty simple. – Nothingismagick Feb 28 '18 at 8:12
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    @Nothingismagick Not any simpler than any other application. Its only simple because you do simple stuff, and because your conviced that restricted means simple. Even blender is simple for simple stuff and no harder than sketchup. – joojaa Feb 28 '18 at 8:14
  • I totally agree with you, except that an absolute beginner can make something useful with sketchup inside of 10 minutes. I use blender quite a bit, and although it has improved, the immense feature set and complicated process is difficult for people with no experience in the field. Personally I would recommend rhino - but it is no easier than cinema. – Nothingismagick Feb 28 '18 at 11:59

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