Beveled Text
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 From:  stefano (LIGHTWAVE)
3723.21 
RE: bevelled text / vcarve letters / chiselled shapes

Can someone please let me know, how do i fill this shape into a solid...

Also as this post is quite old any faster / alternative ways to acheive similar results ??
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 From:  Frenchy Pilou (PILOU)
3723.22 In reply to 3723.21 
I don't believe you can without make some reparations :)



so after : explode all
and make some Sweep (and other reparations because your file is a true mess! ;)
(Curves at jonctions are not on the good vertices so no joint possible, no symmetry etc...)

Better is redraw it than make repairs!

EDITED: 29 Sep 2020 by PILOU

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 From:  stefano (LIGHTWAVE)
3723.23 In reply to 3723.22 
i was following michaels instructions on the "I" but likely did it too fast; will try again.
I could easily fix that missing 'joint' but only some surfaces would close if i clicked planar.
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 From:  Michael Gibson
3723.24 In reply to 3723.21 
Hi Stefano,

re:
> Can someone please let me know, how do i fill this shape into a solid...

The general technique is above in this same thread:
http://moi3d.com/forum/index.php?webtag=MOI&msg=3723.12

For your case here to start with the curves need to be cleaned up so the pieces meet up exactly end to end and are precisely mirrored. You only need to bottom ones though, join those together into a single curve like this:



Then draw in an angled line here:



Select the line and run Construct > Sweep and pick the bottom closed curve as the rail path, that will generate these surfaces:



These are the surfaces you need but they need to be trimmed up. You can use the Edit > Trim command for that cutting them one by one but there is a shortcut you can use if your initial construction curves are clean and precise. The shortcut is that the boolean merge command can be used to extract out a center volume from a piece like this and slice away all the outer pieces in one shot. To use that you would need to put in a ground plane like this:



Now select all the surfaces and run Construct > Boolean > Merge and it can extract out the inner core solid:



3DM model file is attached.

> Also as this post is quite old any faster / alternative ways to acheive similar results ??

Using boolean merge will be quite a bit faster than trimming each individual surface. But make sure your starting curves are cleanly constructed, ends exactly touching and opposite pieces mirrored.

- Michael

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 From:  stefano (LIGHTWAVE)
3723.25 In reply to 3723.24 
Hi Michael,

Already tried following your initial instructions which is how I seemed to get 'close'.
It seems all I need is a closed curve of the font outline and a 45degree line, no trimming
required if bolean merge used and artwork perfect...

Could you please verify if this dxf; the origination of the "I" is ok to start with...

Cheers

Stefano

EDITED: 29 Sep 2020 by LIGHTWAVE

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 From:  Michael Gibson
3723.26 In reply to 3723.25 
Hi Stefano, yes that DXF file works fine with the CorelDraw DXF import fix. It would not be a bad idea to replace the straight parts with simple 2 point lines. You can construct a solid without doing that but it might help with other operations further down the line.

Here is a screencap of the process just after opening that V_Carve_I.dxf file you posted:



- Michael
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 From:  Michael Gibson
3723.27 In reply to 3723.26 
Hi Stefano, additional notes - the curved sides of the letter in your DXF file are not exact mirror images of each other but it seems to work ok still. But the center line where the pieces intersect will have a little undulation to it instead of being straight because of that variation.

Also if you want to draw a 45 degree angle line, type <45 and push enter to enable angle constraint.

- Michael
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 From:  stefano (LIGHTWAVE)
3723.28 In reply to 3723.27 
i will try and do it in 56 seconds - thanks again...might take me 57 minutes to get there !
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 From:  stefano (LIGHTWAVE)
3723.29 In reply to 3723.28 
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 From:  Frenchy Pilou (PILOU)
3723.30 
@ Michael
for your last video...the forum sytem don't resize so we have an enormous image even on a big monitor! :)
Does this normal ?
---
Pilou
Is beautiful that please without concept!
My Moi French Site My Gallery My MagicaVoxel Gallery
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 From:  Michael Gibson
3723.31 In reply to 3723.30 
Hi Pilou, yes that's normal - the forum only resizes image elements and the video is an iframe element, not an image element.

You can also view it at:
https://www.screencast.com/users/MoI/folders/Camtasia%20Studio/media/5d54cfd1-206a-449a-ba84-cd9f40e4f6c7

that one will have a "full screen" control in the lower right corner, I think it should fit it to your monitor size.

- Michael
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 From:  Frenchy Pilou (PILOU)
3723.32 In reply to 3723.31 
Yep this time that is perfect!
---
Pilou
Is beautiful that please without concept!
My Moi French Site My Gallery My MagicaVoxel Gallery
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 From:  stefano (LIGHTWAVE)
3723.33 In reply to 3723.32 
Few good tips here...

https://youtu.be/L1hhZ0_7gP8
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 From:  BurrMan
3723.34 In reply to 3723.21 
With combo tools:

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 From:  stefano (LIGHTWAVE)
3723.35 In reply to 3723.34 
Nice one Burrman! I need to take a look at viacad.
Was also considering a potential 'type and go'
route from aspire or v-carve. They call it 'prism text' for seperate shapes.
Export as stl?

https://youtu.be/5tq45xBitXopl

I noticed on youtube you might use Bobcad/cam is there a route that way?

[Obviously once tool paths set up for certain letter thicknesses it should be quick.]

- stefano

EDITED: 1 Oct 2020 by LIGHTWAVE

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 From:  Frenchy Pilou (PILOU)
3723.36 
Another tracks with Blend curves so you can take any Bulge you want...so less or more elegant result! :)
Sweep or NetWork for the long Part
Sweep or NetWork for the Foot
Planar for the triangle



PS I don't know if the Gray Thema by Cody is less or more readable than the original UI ?

EDITED: 30 Sep 2020 by PILOU

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 From:  stefano (LIGHTWAVE)
3723.37 In reply to 3723.36 
muscle memory test...~23 seconds...


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 From:  BurrMan
3723.38 In reply to 3723.35 
"""""I noticed on youtube you might use Bobcad/cam is there a route that way?"""""

For actually manufacturing it, yes... a toolpath that cuts that from fonts/pockets.

Can export a simulation of the cut as stl too.

But not model it for visual. (Differently than Michael showed)

EDITED: 1 Oct 2020 by BURRMAN

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 From:  BurrMan
3723.39 In reply to 3723.38 
Hi Stefano,
Took a quick look at the Vectric stuff (aspire) and it looks like they offer the toolpath option too. So it's not "type out text" like that. It's a toolpath called "v-caving"....

The other thing these CAM packages like Vectric Aspire or BobCad have is "embossing".

So in BobCad, they have "BobArt" and i can emboss geometry using arcs and lines and angles, which produces this too....

But the result of these will be poly's, not NURBS.

EDITED: 1 Oct 2020 by BURRMAN

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 From:  stefano (LIGHTWAVE)
3723.40 In reply to 3723.39 
Hi Burrman,

Was just thinking the approach of Michael's is great on single letters or a few letters
...but what about if there is a whole paragraph of text where many of the letters could be
quite small?

Points noted about STL* and I've discounted that route...
so now wondering, could a bitmap>3d route work nice e.g.
max's heightmap?



Greyscale bitmaps of some "I" files attached. This was sent to me from one of the technical
guys at Cadlink Engravelab/Signlab software. They don't do stl but do can do
bitmaps of toolpaths easy and fast...

As I don't have heightmap installed and had issues knowing where to install it, hoping someone can try...

Cheers

Stefano

*STL thread here if anyone interested: http://moi3d.com/forum/messages.php?webtag=MOI&msg=8860.1

EDITED: 1 Oct 2020 by LIGHTWAVE


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