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CNC_Kid  
#1 Posted : Tuesday, May 16, 2023 11:57:25 AM(UTC)
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can someone convert this for me, I need to do solid model work but cannot convert it.

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specktech on 5/16/2023(UTC)
24c  
#2 Posted : Tuesday, May 16, 2023 1:47:15 PM(UTC)
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@CNC_Kid,

I don't have any specific software to do this, but just had a go at redrawing it, essentially extruding polygons placed on the outer surface, then filleting and applying a radius over the exterior mesh.
I haven't done the inside, but if you change the transparency or colours, you should be able to draw polygons and extrude, then subtract to get a final solid.

I don't know if it'll help, but I'll upload the file, so you can see what I did.

Mike

Edited by user Tuesday, May 16, 2023 1:48:12 PM(UTC)  | Reason: Not specified

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specktech on 5/16/2023(UTC)
murrayagain  
#3 Posted : Tuesday, May 16, 2023 4:15:47 PM(UTC)
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It has fewer than 400 facets, select it and right-click, change object type to faces and convert with stitch-to- solid tool in Solid Utilities, enclosing all of the faces with a selection fence. If you've got more than 3K faces, use mesh booleans to edit .stls and .objs, they work much the same as solid booleans, shelling and blending aside. You can use mesh booleans for mesh objects with fewer than 3K facets too, of course, but you have the option to convert them to solid as well. PowerPack can convert objects >3K facets to solid with convert to analytics by recognising mesh regions that represent planar n-gons, conical, cylindrical and ellipsoid sections.

Edited by user Tuesday, May 16, 2023 4:54:34 PM(UTC)  | Reason: Not specified

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specktech on 5/16/2023(UTC)
a.wieneke  
#4 Posted : Wednesday, May 17, 2023 8:58:46 AM(UTC)
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Originally Posted by: CNC_Kid Go to Quoted Post
can someone convert this for me, I need to do solid model work but cannot convert it.



powerpack > mesh to analytic >

here it is

Edited by user Wednesday, May 17, 2023 9:01:29 AM(UTC)  | Reason: Not specified

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viele Grüße
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CNC_Kid  
#5 Posted : Wednesday, May 17, 2023 1:12:56 PM(UTC)
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I thought I did a reply. SFX files won't open in my VC Pro v11.
I see the object in preview when doing a File - Open, but I get this when opening.

I will also try post #3.

error

Edited by user Wednesday, May 17, 2023 1:14:57 PM(UTC)  | Reason: Not specified

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24c  
#6 Posted : Wednesday, May 17, 2023 1:40:43 PM(UTC)
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@CNC_Kid

I took @a.wieneke file, and opened it, then export as a SAT file, which you should be able to import/open ok

Mike
PS had to zip it as forum don't accept .sat files

Edited by user Wednesday, May 17, 2023 1:42:57 PM(UTC)  | Reason: PS

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CNC_Kid  
#7 Posted : Wednesday, May 17, 2023 2:42:13 PM(UTC)
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So I open the sat file, says it's a solid. I create a surface for slicing, using Split Solid Using Surface I get this error.


error
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CNC_Kid  
#8 Posted : Wednesday, May 17, 2023 2:45:22 PM(UTC)
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Originally Posted by: 24c Go to Quoted Post
@CNC_Kid

I took @a.wieneke file, and opened it, then export as a SAT file, which you should be able to import/open ok

Mike
PS had to zip it as forum don't accept .sat files


Nope, direct download of SFX and the Zip, opening SFX throws that error.
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24c  
#9 Posted : Wednesday, May 17, 2023 3:12:22 PM(UTC)
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@CNC_Kid,

...and I had the same problem when I converted it using the Solid Utilities or PowerPack Mesh to Analytics options.
I never understand why if I have cylindrical parameters set, I see meshing like facets to the filleted surfaces.

This is why I attempted to redraw using polygons and extrude etc to mimic your part, but one of my radii was wrong.
However, this approach does allow for a "genuine" solid you can slice through.

Maybe you could slice the original mesh midway and trace the profile and extrude this?

Mike



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24c  
#10 Posted : Wednesday, May 17, 2023 3:23:45 PM(UTC)
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@CNC_Kid,

What you can do is create a Mesh Block and subtract this from your original STL, then definitely trace the profile to make an extrusion that you can chase around a polygon.
Screenshots to give you an idea.
Maybe this will help you?

Mike

Edited by user Wednesday, May 17, 2023 3:26:18 PM(UTC)  | Reason: Not specified

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24c  
#11 Posted : Wednesday, May 17, 2023 3:43:17 PM(UTC)
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@CNC_Kid,

...so using mesh solid tool to create a cuboid and subtract that from your original STL, allowed me to create a profile to extrude in polygon path, and this creates a solid.

Hope you get the idea
Mike

Edited by user Wednesday, May 17, 2023 3:46:41 PM(UTC)  | Reason: add UPDATE

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MPSchmied  
#12 Posted : Wednesday, May 17, 2023 4:06:19 PM(UTC)
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The simplest way to convert this polygon mesh into a solid body should be the good old Subdivision to Nurbs method. I tested it with Version 9 build 1162, but it failed.
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24c  
#13 Posted : Thursday, May 18, 2023 2:17:07 AM(UTC)
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@MPSchmeid >>The simplest way to convert this polygon mesh into a solid body should be the good old Subdivision to Nurbs method.

Agreed, I miss that, but on my old i7 processor, that used to take a long time. I bought a 3D scanner years ago, and used to try and convert STLs then, with mixed results.
I wonder if we will ever see this again, or is it a licensing issue?
I did test the OP's file and it did say it had non-manifold edges, which might cause errors.

Mike
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a.wieneke  
#14 Posted : Thursday, May 18, 2023 3:11:13 AM(UTC)
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Originally Posted by: CNC_Kid Go to Quoted Post
I thought I did a reply. SFX files won't open in my VC Pro v11.
I see the object in preview when doing a File - Open, but I get this when opening.

I will also try post #3.

error




It is realy "funny", with the "solid" i can use : Add Solid and it works, but i can not use Subtract Solid and CutOut Solid is also not working. Wondering why add solid is working , also the blend tool.
viele Grüße
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specktech  
#15 Posted : Sunday, August 6, 2023 2:44:01 AM(UTC)
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Did you ever get your 4x4 post trim piece dialed in. I had fun recreating it. I chopped the profile and then I extruded it into the exact dimensions. I can send the files if you ever want them. It was a fun litle project. Have fun CNC kid.
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MPSchmied on 8/6/2023(UTC)
CNC_Kid  
#16 Posted : Monday, August 28, 2023 10:41:55 AM(UTC)
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I never did anything with it. Need to re-read last few posts and try again.
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