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Is there a Chamfer (Edge Bevel) function?
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AWM Mars
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PostPosted: Tue Feb 23, 2010 4:35 pm    Post subject: Is there a Chamfer (Edge Bevel) function? Reply with quote

Is there a chamfer function, maybe offering splayed or rounded chamfers for example?

I see the bevel function, but that seems to work on corners and gives simple splays, unless I'm missing something?
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Jeroen
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PostPosted: Tue Feb 23, 2010 5:18 pm    Post subject: Reply with quote

Not sure what you mean by chamfer, but it sure sounds like a cool feature to have! Can you explain / show pictures?
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AWM Mars
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PostPosted: Tue Feb 23, 2010 9:27 pm    Post subject: Reply with quote

Jeroen wrote:
Not sure what you mean by chamfer, but it sure sounds like a cool feature to have! Can you explain / show pictures?

Here is a picture showing 3 basic chamfers, 2 Splayed (at an angle, that I would set) and a Quadrant Splay (rounded, I would like to set the amount of faces).



Imagine I hade a cube, and I subtract another cube in the middle, leaving a 4 sided frame and I want to round the inner edge. ATM I have to use a selection of cylinders and spheres, cutting those into opposite rounds of what I want to acheive (Hollows), then using the resulting 'Userdefined' shape to subtract from the frame. Alternatively, use a series of quadrant cut cylinders lining the edge, after cutting splayes from the edge first.

Here is an example of a door I made for a wood burning stove, using the above technique.

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Grandmaster B
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PostPosted: Wed Feb 24, 2010 9:10 am    Post subject: Reply with quote

Is this what you meant?

http://www.blender3darchitect.com/2008/10/how-to-use-the-bevel-modifier-to-chamfer-edges-of-a-model/

Like bevel an edge? Multiple times?

I also need that feature Wink
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chronozphere
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PostPosted: Wed Feb 24, 2010 10:48 am    Post subject: Reply with quote

That's a nice feature but tricky to implement. I'd say we give it a "medium" priority.
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Jeroen
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PostPosted: Wed Feb 24, 2010 10:53 am    Post subject: Reply with quote

It sure looks like Edge Bevel to me too. Smile I've been working on that in the past but it is tricky indeed.
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AWM Mars
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PostPosted: Wed Feb 24, 2010 12:44 pm    Post subject: Reply with quote

Grandmaster B wrote:
Is this what you meant?

http://www.blender3darchitect.com/2008/10/how-to-use-the-bevel-modifier-to-chamfer-edges-of-a-model/

Like bevel an edge? Multiple times?

I also need that feature Wink

Yes that is exactly what I mean.. but without the Blender complication of things Smile
In AutoCad I can choose the type of chamfer, from simple splay, rounded with defineable faces and even a moulding tool based upon 'path' shapes.

The way I do it at the moment is, to create the actual profile I want to cut, then subtract that from a solid prim, and use that to subtract from the useable prim. It becomes complicated when you have angles and corners.
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Jeroen
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PostPosted: Fri Feb 26, 2010 10:55 am    Post subject: Reply with quote

AWM Mars wrote:
Imagine I hade a cube, and I subtract another cube in the middle, leaving a 4 sided frame and I want to round the inner edge.


There is more than 1 way to 'round' the inner edge in this example. I think I know what you mean but can you explain what you want to achieve and how, with a tool like Edge Bevel such as the one Blender has? Perhaps a picture or two might help?
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AWM Mars
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PostPosted: Fri Feb 26, 2010 1:47 pm    Post subject: Reply with quote

In the picture of the woodburning stove above, you can see howI applied cyliners and spheres to a cube, then merged those into one object, then used that to extract from a single cube, leaving the profile I wanted.

I could have simply used the 'positive' version of the mould, but normally, doing it the way I did, should result in less facets/vertices etc. Minor misalignments can result in a less effective result, that is why a chamfer function would be more controlable.
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Jeroen
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PostPosted: Sun Feb 28, 2010 5:12 pm    Post subject: Reply with quote

I've been working on Edge Bevel a little bit. I managed to implement a very basic edge bevel tool. Works pretty well for a number of cases but doesn't work on selected adjacent edges. Here's what it can do:

- Select the Bevel tool in Edge mode


- I created a cube with one edge selected


- After performing one bevel action (just drag with the mouse in 3D view), it looks like this:


- You can see it automatically selects the new edges. You can perform edge bevel on multiple selected edges (just not adjacent ones atm). After 2 bevel actions, the result is:


- When looked from above, you can clearly see what you can achieve with this new tool. Nicely rounded corners:


Let me know what you think!
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Last edited by Jeroen on Wed Mar 10, 2010 7:29 pm; edited 2 times in total
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AWM Mars
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PostPosted: Sun Feb 28, 2010 5:47 pm    Post subject: Reply with quote

This looks very good Very Happy I like what you are doing here, excellent work.

Are you planning:
1) To allow the user to set the amount of faces produced, say from 1-Many, via a entry control window? This will allow repeatable functions over many differently sized objects.
2) Singular face planes, to have a angle set box, so you could say add a splay at 45, or 30 etc.. degrees?
3) To add this as a new feature as opposed to taking over the Bevel function, which some may still use (including myself)?

How will this function deal with corners when a bevel/splay is applied to an intersecting edge(s)? (Say a rounded edge intersecting with a splayed edge).
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chronozphere
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PostPosted: Sun Feb 28, 2010 7:14 pm    Post subject: Reply with quote

Great! Very Happy I was allready wondering how long it'd take before you started adding functinoality again. Good to hear that you're on it. Wink

I'd like to play with this when it's released. Possibly I can help improving this tool, and make chamfering adjacent edges possible. Smile I can't promise anything though.
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trucker2000
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PostPosted: Sun Feb 28, 2010 8:07 pm    Post subject: Reply with quote

Now that's a feature I really like.
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fik
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PostPosted: Sun Feb 28, 2010 10:25 pm    Post subject: Reply with quote

Nice and a very useful tool.
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Grandmaster B
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PostPosted: Mon Mar 01, 2010 8:29 am    Post subject: Reply with quote

Excellent Jeroen, please put it in the next beta version, even if its not perfect!
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