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AutoCAD - Can I turn a group of 3D blocks into a single item?

Neil.oloughlin
Explorer

AutoCAD - Can I turn a group of 3D blocks into a single item?

Neil.oloughlin
Explorer
Explorer

Hi, I don't know much about creating/working with 3D models, so hopefully this all makes sense.

 

I have a 3D model (actually a few) which I need to import into another program (Called AGI32, for lighting design).

 

The AGI32 program cannot handle blocks and explodes them down to their smallest form (just like exploding down in autocad, more later). However this results for this one model in about 6000 blocks and it gets too much for the software to handle and it crashes.

 

What I would like to do, if possible, is combine or convert or something to make the 3D model simpler, as few simple shapes as possible. Some examples,

 

I have this model which was created as simple blocks or objects, not sure (hovering over it says "3D solid". This is what I'm hoping to convert the other model to.

 

Neiloloughlin_1-1664518439142.png

 

If I explode on that highlighted object it breaks down to individual sides, no further.

 

This is the other 3D model, without exploding anything,

 

Neiloloughlin_2-1664518517235.png

 

At the moment the blocks are grouped as shown by the selected section. If I explode that down as the AGI program will do,

 

Neiloloughlin_3-1664518649995.png

 

It becomes a huge number of small blocks.

 

Is there a way to make this entire model into a simple form like the first image? I do not need to edit or do anything with it again, it's just a copy for this one purpose.

 

 

Thanks in advance for your help!

 

[ The subject line of this post has been edited to include the product name by @handjonathan ]

 

 

 

 

 

 

 

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Kent1Cooper
Consultant
Consultant

If the Block is made up of 3D Solid objects, you can UNION them into one of those, not defined into a Block but still a single object.  But any Layer differences between the parts [which are preserved in a Block definition] will be lost.

Kent Cooper, AIA

Neil.oloughlin
Explorer
Explorer

Thanks Kent however this doesn't seem to work for what I'm trying to do, it can still be exploded down to the smaller blocks. The end result needs to be a simple low poly model. Had some trouble with the command at first although seemed to work in wireframe view after exploding it down, otherwise I got an error about need to select at least two surfaces, but it could still be exploded back down to lots of small parts.

 

I can't attach the whole model as it's company IP but I took one part of it out and attached that, if it helps. I've also attached a low poly example of what I'm trying to get to.

 

Thanks.

Kent1Cooper
Consultant
Consultant

Define a "low poly object" -- that's not a term I've heard before.  Your example of one is eight 3D Solids.  Example.dwg contains one Block, and if I Explode that, I get one 3D Solid.  In what way is that not as good as eight 3D Solids for your purposes?

Kent Cooper, AIA

Neil.oloughlin
Explorer
Explorer

I've loaded another part as I think that was a bad example, there are 12 separate objects, basically I just want them to be one object in it's simplest form, i.e not be able to be exploded down back to the original 12 objects.

 

Currently if I explode down those 12 objects they go down to each being about 20 parts (each a 3d face), I had thought to would be 6 sides but there's even extra detail in those. So with 12 exploded down that's 240 faces, and only a tiny part of the overall model. Below is a snip of one of those 12 segments pulled apart,

 

Neiloloughlin_3-1664604339145.png

 

If they (the 12 segments) can be turned into one larger object with minimum faces, i.e any face to face object doesn't need to exist, only exterior faces, which can't be exploded down to the original components, that's what I'm hoping to do but for the entire model.

 

So this example would go from 240 faces to 20, for the whole model of 6000+ to maybe a couple of hundred. 

 

I hope that makes sense, I'm not sure I can explain it any better, either way thanks heaps for your time trying!

 

 

 

 

 

 

 

 

 

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