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Common ivy leaf - feedback appreciated [message #46179] Fri, 30 March 2012 11:17 UTC Go to next message
avatar rinblad  is currently offline rinblad
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Hello fellow Shapeways citizens.

I am using Blender for making a kitchen cabinet knob in the shape of a common ivy leaf.
I thought I'd start with a 2D mesh and then pull that into a 3D shape, solidify it, and for last make detailed tweaks for the ribs and so on.

I just finished making the 2D mesh from a photo as base.
Feedback is VERY appreciated.

index.php?t=getfile&id=15733&private=0

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Re: Common ivy leaf - feedback appreciated [message #46189 is a reply to message #46179 ] Fri, 30 March 2012 13:24 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Last update this week. More next week.
Made a lattice modifier for the overall shape.
Have a nice weekend!
/Rinblad

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Re: Common ivy leaf - feedback appreciated [message #46354 is a reply to message #46189 ] Tue, 03 April 2012 05:35 UTC Go to previous messageGo to next message
avatar Shef_  is currently offline Shef_
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This is pretty cool. I'm not sure it's a good idea to work with so many vertices yet though. I'm guessing you applied a subsurf? Otherwise there still isn't much to comment about. How are you planning to make the finer details of the leaf?
Re: Common ivy leaf - feedback appreciated [message #46494 is a reply to message #46354 ] Wed, 04 April 2012 23:16 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Hello Ssslouter, and thank you for your feedback.
Actually I haven't used subsurf yet. I worked with bsurfaces to be able to get the lines for the ribs. I will use those later on with some extra loop cuts before or if I will apply a subdivision surface. I have noticed quite a few lines that doesn't contribute for making the ribs, and I will remove those. I haven't been able to work on this for a few days, as the flu bounced back on me. Hopefully soon though. Razz

Adding a pic that will make the lines make sense:

index.php?t=getfile&id=15894&private=0

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[Updated on: Thu, 05 April 2012 00:24 UTC]

Re: Common ivy leaf - feedback appreciated [message #46496 is a reply to message #46179 ] Wed, 04 April 2012 23:23 UTC Go to previous messageGo to next message
avatar Shef_  is currently offline Shef_
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The best way to model leaves, I found, is to "draw" over the ribs. Use a small edge that you would put at the beginning of the leaf (the base) and start making the shape of the main rib. Whenever there is a the rib branches off, leave a subdivision. then go and do the secondary branches (the ones that stem off of the main one, then smaller. Three levels is usually enough, then start connecting faces. When you add thickness to the leaf, you can extrude the branches twice, and the rest of the leaf once.
Re: Common ivy leaf - feedback appreciated [message #46500 is a reply to message #46496 ] Thu, 05 April 2012 00:23 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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I added a pic in the previous post . I'm not quite sure what you mean with "connecting faces" after the paint job. I will certainly try this strategy since you think it's the best. Razz
My own strategy is to lower the ribs and heighten the "cells" between, then make a "wall thickness" by applying the solidify modifier. I noted that the top side is almost inverted comparing the bottom side, when I studied a real leaf.

[Updated on: Thu, 05 April 2012 00:32 UTC]

Re: Common ivy leaf - feedback appreciated [message #46792 is a reply to message #46500 ] Wed, 11 April 2012 10:23 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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I've made outlines for all the ribs on the left side of the leaf.
Figured I'd ought to test to extrude a part of it and to apply a subsurf, just to see how it looks..

... I think I'm getting there..
Smile

index.php?t=getfile&id=16046&private=0

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Re: Common ivy leaf - feedback appreciated [message #46793 is a reply to message #46792 ] Wed, 11 April 2012 10:32 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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oh.. here are the ribs..

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Re: Common ivy leaf - feedback appreciated [message #46856 is a reply to message #46179 ] Thu, 12 April 2012 11:17 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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All of the outlines are made now.
I took Ssslouter's advice and reduced the amount of lines. Finally time for the fun part. Very Happy

index.php?t=getfile&id=16086&private=0

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Re: Common ivy leaf - feedback appreciated [message #46938 is a reply to message #46856 ] Fri, 13 April 2012 13:33 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Progress..

index.php?t=getfile&id=16109&private=0

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Re: Common ivy leaf - feedback appreciated [message #46959 is a reply to message #46938 ] Fri, 13 April 2012 18:26 UTC Go to previous messageGo to next message
avatar Shef_  is currently offline Shef_
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Hi, I was on vacation so i couldn't answer. That's some great progress! Smile I would love to see how it looks once printed.

Also, you have some weird color choices for the blender theme Laughing

[Updated on: Fri, 13 April 2012 18:27 UTC]

Re: Common ivy leaf - feedback appreciated [message #46980 is a reply to message #46959 ] Sat, 14 April 2012 13:14 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Thank you. I only wish I have more time for modelling.. I feel like I just "paddles water", as we say here in Sweden.

Laughing Yeah, my colour theme is made upon a memory of an article I read some years ago. It said that people who sits by a window with green colours outside are more productive and creative. If nothing else, I thought a theme might help some. Smile

[Updated on: Sat, 14 April 2012 20:47 UTC]

Re: Common ivy leaf - feedback appreciated [message #47000 is a reply to message #46980 ] Sat, 14 April 2012 18:22 UTC Go to previous messageGo to next message
avatar Shef_  is currently offline Shef_
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Nice idea for the color theme Smile though it is kinda too colorful for me.

As for the leaf, why not use the sculpt mode to make the finer details? also, a displace modifier could go a long way here Smile
Re: Common ivy leaf - feedback appreciated [message #47007 is a reply to message #47000 ] Sat, 14 April 2012 20:42 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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I agree. I actually thought about using the sculpt tool for the finer detail. Also to make things look less industrial made. Smile

I've never used the displacement modifier in blender yet. I found it very handy sometimes back in the days when I used 3DS Max. Are you thinking of tweaking the photo, or to use some generated noise? Confused
Re: Common ivy leaf - feedback appreciated [message #47011 is a reply to message #47007 ] Sun, 15 April 2012 00:08 UTC Go to previous messageGo to next message
avatar Shef_  is currently offline Shef_
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I can't test now (middle of a render) but I'd go with a subtle voronoi texture and two cloud textures. One for the larger detail, and one for the finer, smaller details.

I don't really know why the voronoi, but it just seems like many leaves have a similar texture, it would have to be pretty big and very weak though, something like 5 cells for the whole leaf.

Small tip: set the texture coordinates to an empty, that way you can just move it around to change the look of the leaf.
Re: Common ivy leaf - feedback appreciated [message #47021 is a reply to message #47011 ] Sun, 15 April 2012 08:26 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Yay! A tip I know nothing about how to do (not being sarcastic. I want to learn.). Smile

Do you know of any useful tutorials on the subject?
Re: Common ivy leaf - feedback appreciated [message #47039 is a reply to message #46179 ] Sun, 15 April 2012 22:21 UTC Go to previous messageGo to next message
avatar TurtlesAreCool  is currently offline TurtlesAreCool
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Another tip - I find that it is a good idea to model with part of your mind always thinking about the scale of the finished product. You don't want to spend lots of time making small details only to have them lost in the print noise. When I am not sure that details will come out, I export to .obj and measure in Netfabb. For plastic, the detail guidelines are correct, although I try for the safe side and make indents like yours about .3 mm across and .3 mm deep. For metal, you'll need closer to .8 mm to ensure that your lines come out properly, although I have been lucky with indents smaller than .8 deep and wide.

Bottom line - what you're doing now is at least a good learning process. However, you should spend some time now thinking about the scale of the final product, or you may end up spending too much time on small details.
Re: Common ivy leaf - feedback appreciated [message #47097 is a reply to message #47039 ] Tue, 17 April 2012 06:55 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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You are absolutely right, TurtlesAreCool.
I have a tendency for getting a bit of too much details.
Today I will start with scaling it down so that 1 blenderunit = 1 millimetres.

Thank you for reminding me.
Smile

Btw, I love your work. Right up my alley. Very Happy

[Updated on: Tue, 17 April 2012 06:58 UTC]

Re: Common ivy leaf - feedback appreciated [message #47147 is a reply to message #46179 ] Wed, 18 April 2012 10:28 UTC Go to previous messageGo to next message
avatar SGDesigns  is currently offline SGDesigns
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WOW, I saw your post when you first posted it and looks like your getting the hang of things. When I started with 3d design , my first model was a maple leaf and yours came out way better then mine did. Good job.


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Re: Common ivy leaf - feedback appreciated [message #47152 is a reply to message #46179 ] Wed, 18 April 2012 13:02 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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This is how it looks so far.

I have followed TurtlesAreCool's advice to scale it properly. As you would suspect, I had to make some changes in the detail to work with stainless steel specs. f

I've done an extrude and then pulled vertices and used the sculpt tool. Not finished tinkering with it yet.

Thank you SGDesigns, but I have been modelling for many years. Though never professionally. Very Happy There is always stuff you can learn. I made this thread to get some tips and tricks, and hopefully people will appreciate to watch stuff grow into shape.

index.php?t=getfile&id=16186&private=0

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Re: Common ivy leaf - feedback appreciated [message #47153 is a reply to message #47152 ] Wed, 18 April 2012 13:26 UTC Go to previous messageGo to next message
avatar TurtlesAreCool  is currently offline TurtlesAreCool
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Sounds like you are on the right path - things are looking good. Another comment - if this is a cabinet handle, you might want to make sure that you have gentle rounds on the edges, particularly the points of the leaf. The "beard" of my dragon that I just printed in stainless is surprisingly sharp.
Re: Common ivy leaf - feedback appreciated [message #47162 is a reply to message #47153 ] Wed, 18 April 2012 14:07 UTC Go to previous messageGo to next message
avatar duann  is currently offline duann
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That is a nice idea,
Please keep us updated, looking forward to seeing the final images.

Cheers



Duann Scott,
Re: Common ivy leaf - feedback appreciated [message #47199 is a reply to message #47162 ] Thu, 19 April 2012 01:01 UTC Go to previous messageGo to next message
avatar Shef_  is currently offline Shef_
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There is a measuring addon for blender that will measure the distance between two vertices, it will keep you from going back and forth from blender to the other program.
Re: Common ivy leaf - feedback appreciated [message #47210 is a reply to message #46179 ] Thu, 19 April 2012 08:11 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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TurtlesAreCool wrote on Wed, 18 April 2012 13:26

Sounds like you are on the right path - things are looking good. Another comment - if this is a cabinet handle, you might want to make sure that you have gentle rounds on the edges, particularly the points of the leaf. The "beard" of my dragon that I just printed in stainless is surprisingly sharp.


Thanks. Smile I am planning to add a solidify modifier later, so I will keep that in mind.

duann wrote on Wed, 18 April 2012 14:07

That is a nice idea,
Please keep us updated, looking forward to seeing the final images.


I promise. Nice to see so many helpful people here.

Ssslouter wrote on Thu, 19 April 2012 01:01

There is a measuring addon for blender that will measure the distance between two vertices, it will keep you from going back and forth from blender to the other program.


Yes, I found a tool called mesure panel. I didn't get it to work in Blender 2.61 even if I download the latest script and manually install it. Got it to work when I downloaded 2.55 though. Thanks for the tip.
Re: Common ivy leaf - feedback appreciated [message #47462 is a reply to message #46179 ] Wed, 25 April 2012 10:52 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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It has been a while since my last post, and that's because I haven't had so much time to work on it.

I have tried some methods to add thickness to the leaf and it turned out that the Solidify modifier didn't work well so I ended up with just making a duplicate of the mesh and flipped the normals for the bottom. After some tinkering I came up with what shows in the image below. I thought that the leaf will be 5 cm from top to bottom and the thickness is now about 3-4 mm and some detail is between 1-2 mm. Time to think about the stem and/or branch or whatever that will make it pop out of the door. (Because this is going to be a kitchen door knob.)

index.php?t=getfile&id=16363&private=0

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Re: Common ivy leaf - feedback appreciated [message #47465 is a reply to message #47462 ] Wed, 25 April 2012 11:30 UTC Go to previous messageGo to next message
avatar bradykineticcuriosities  is currently offline bradykineticcuriosities
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This is impressive - it's been really interesting to watch your progress.

What material are you planning on using?


www.bradykineticcuriosities.com A good head and a good heart are always a formidable combination.
Re: Common ivy leaf - feedback appreciated [message #47476 is a reply to message #47465 ] Wed, 25 April 2012 14:01 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Thank you!

I have thought about using the Stainless Steel material, maybe with the Antique Bronze infusion. Today I started to think about how well it would go with cheramics, and what I have to add for that to be possible. Just a thought. Very Happy
Re: Common ivy leaf - feedback appreciated [message #47477 is a reply to message #47476 ] Wed, 25 April 2012 14:21 UTC Go to previous messageGo to next message
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Good choices...antique bronze would look fantastic (would probably need some surface treatment), and the white ceramic definitely has an appeal as well.

This is somewhat going outside shapeways, but have you thought about using a detailed print to start casting with another company? I'm imagining this in pewter with some dark painted accents on the veins... Very Happy

[Updated on: Wed, 25 April 2012 14:21 UTC]


www.bradykineticcuriosities.com A good head and a good heart are always a formidable combination.
Re: Common ivy leaf - feedback appreciated [message #47510 is a reply to message #47477 ] Thu, 26 April 2012 07:56 UTC Go to previous messageGo to next message
avatar rinblad  is currently offline rinblad
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Yes, I think those materials will be a good choice. Smile

I have thought about making castings and so on. Especially because I am about to start my own company. Do you know or recommend such company? Twisted Evil
Re: Common ivy leaf - feedback appreciated [message #47527 is a reply to message #46179 ] Thu, 26 April 2012 11:21 UTC Go to previous message
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Hello again.
I've sketched some concepts for the leaf. Please tell me if you like one concept in partikular by answering this this one question.


index.php?t=getfile&id=16383&private=0

[Updated on: Thu, 26 April 2012 11:31 UTC]


 
   
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