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From: Michael Gibson
Hi pafurijaz,
re:
> because Moi3D can’t recognize the sharp edges of subdivision surfaces
No, not true - edge creasing and weighting are supported by Moi's subdivision surface converter.
But there is not any way in the .obj format to represent edge creasing, you need to use FBX format for that.
- Michael
From: pafurijaz
Hi Matadem, thanks but it's nothing special, it's a model I made for a beginner user as a starting point to figure out how to do certain things.
I only just realized, after Michael's last reply, that the original message was yours, however Michael answered you about Moi3D.
Anyway, what Geomagic Design does can be done in different ways with Blender too, since it has various mesh modeling tools and some add-ons, but it's not as straightforward as Geomagic Design. Still, it's got a lot of modifiers and, with some experience, it's just as good as certain dedicated apps, but you have to know how to use it and it gets tricky for some things.
I'm attaching an image below of something I worked on in the past: a section of a ship's hull that I reconstructed to create the technical drawings that had been lost over time.
hull section with Blender's Nurbs surfaces and some other add-on for modelling with CAD data
Cheers
Image Attachments:
hull-re-en.jpg
From: pafurijaz
You're right, I didn't realize they were two different people, I read the first message carelessly and didn't get that they were two separate persons.
So yeah, you're correct. I kept replying to the user "ado1", thinking he'd started the thread, but it was actually "Matadem", so my replies were all about the follow-up.
Anyway, I didn't know you could get sharp edges with FBX when importing subdivision surfaces, that's really good to know.
By the way, those reverse engineering apps don't do anything special; with a bit of experience you can manage with plenty of programs, like Moi3D and FreeCAD, which has a lot of tools for that. Even with Blender lately there are many tools that help with this, and now you can even create NURBS models directly in Blender, that helped me a ton when working on some scanned parts.
Greetings
From: ado1
That AI approach wins hands down if the file produced is practical and useable
Incomplete scans were always a problem bottleneck in the 3D process
It does the fiddly bits, squaring everything up in 3 dimensions, getting the teeth on the cog right, probably does the pitch diameter/MOD stuff from the raw data
squares up the different holes properly
Amazing
(btw you're all sacked. The robot has been given your job)
On a more serious note if you take the original 100% STL and open it in Meshlab
Then export the mesh to PLY
Then open it in this instant meshes
https://github.com/wjakob/instant-meshes
Save as an OBJ and upload in MOI via the subD
You get a very nice smooth 3DM file to play with, only 20MB
Certainly the best I've managed to do so far, no more monster files!
Image Attachments:
Instant meshes 3DM.jpg
From: Frenchy Pilou (PILOU)
Just for info Meshy 6 don't make free export but but... Meshy 5 yes (10 free models by month) less detailed than Meshy 6 but...
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