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I would like to decorate a vase with flowers that is extruded from the surface. Shrink wrap may be useful,not sure how to go about that. I am able to do this on a flat surface but not when the object is to be applied to a curved surface Could some one please point me in the right direction to apply a 3D object onto a curved surface. Thanks


this what I have in mind. Then extrude the image and 3d print itenter image description here

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    $\begingroup$ Do not think in terms of shrinkwrap but in terms of texture mapping $\endgroup$ – cegaton Sep 16 '16 at 14:29
  • $\begingroup$ What I understand from your question, a bit confusing to me, is that you wish to decorate a round surface, like a vase, with some "flowers", but you wish those "flowers" to be also "extruded", I guess you mean they should result a little higher than the vase surface. If this is what you wish, you need to texture the vase curved side, and then probably use a "displacement" modifier, to make the "flower" shape to be extruded outwards... you need to practice with this on a plane first (I suggest to use a grey shaded flowers image), you'll need high detail vase surface to have good displacement $\endgroup$ – m.ardito Sep 17 '16 at 8:29
  • $\begingroup$ This is not so simple, though. If you just wish to 3d print this, you could also try to extrude flowers as separate meshes, maybe curve the flower shape mesh with some modifier, and then "apply" the curved flower extruded shapes to the vase shape. A 3d print shape processor doesn't always need to have a perfectly modeled mesh, but will calculate the overall vase shape and obtain a solid shape to print... $\endgroup$ – m.ardito Sep 17 '16 at 8:53
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I write this as an answer to be able to add a picture of what I guessed you want: is it something like this?

enter image description here

I can explain step-by-step how to get it, but I wish to be sure that I did understand well...

this was obtained starting from a simple cylinder and then an image like this:

enter image description here

Let me know, in comments, if you wished to get something like this, and if you still need instructions, I'll add to this answer...

[edit] Ok, since you still need it I try a complete step by step description of how I got that vase above. I hope your hospital trip was nothing too bad, anyway :)

The overall descriptio is this: we're going to create a quite detailed vase, first, applying all modifiers, in order to obtain a good-looging basic shape, with smooth geometry (remember that 3d printers don't smooth geometry as 3d programs do, so to get printed smooth results, your mesh needs to be really smooth, and thus, detailed).

Then, we will duplicate a rectangular portion of the outside conical surface of the vase, that we will use to create an "extruded" flower shape, using a displacement modifier. This extrusion needs to be far more detailed than the vase, because this is required to have a good displacement result, but the displacement will be applied to a curved surface, so the "extruded" flower shape will nicely follow the overall vase curvature.

Done that, you'll have two separate shapes: the basic vase, and a rectangular portion of its outside surface dispalced as a fower: you can then join the two objects, and try to export this to STL format, and print that: in my experience, 3d printer's software (like CURA or others) can print an object if they can spot a "solid" shape, even if it comes from a roughly joined mesh,like in this case.

Here's how to:

  1. First step is start from a basic cylinder, remove top face, and scale lower face, to get a basic vase shape, giving it a "brick red" material (cyles renderer, later on this)

enter image description here

  1. Then, use a solidify modifier to give some depth to your vase mesh, and apply it whan satisfied

enter image description here

  1. Then, since we're going to use a subdivision modifier (subsurf), let's add some extra edge loop near the top and bottom of the vase shape (and also on the top ring of the vase), otherwise it would distort too much there. You can do this with CTRL+R command: a new purple edge appears, then move it where you need, then apply (right click or enter).

enter image description here

  1. Now let's apply the subsurf modifier, level 2 is enough,

enter image description here

  1. and then apply it, getting a quite dense and smooth basic shape

enter image description here

  1. Now move the view to front, and select a rectangular shape of faces

enter image description here

  1. Then duplicate it

enter image description here

  1. And then separate this duplicate part, obtaining a separate object. Don't move, scale rotate this separate object or the vase, they need to stay where they are now!

enter image description here

  1. To get a better view of the separate object, hide the vase (select it and press H)

enter image description here

  1. Now you could make this object mesh more evenly spaced, but preserving its curvature: I'm not sure this is really needed, but I did so, dissolving some edges

enter image description here

  1. ...ending with just this central one

enter image description here

  1. then, using again CTRL+R I subdivided the upper and lower parts, ending with the same amount of vertical and orizontal loops.

enter image description here

  1. then I subdivided this mesh 20 times (needed for later displacement): you'll get a VERY dense mesh...

enter image description here

  1. then I loaded a black flower on white background image in the image/UV editor, like this. The flower image is also set as the texture of the vase "brick red" material (see texture settings)

enter image description here

  1. in edit mode, using U on the complete selected mesh, I chose "project from view (bounds)" to get a nice fill of the UV grid on the image (on the left)

enter image description here

  1. Then, move to modifiers and insert a displacement one, select a small negative strength, select "UV" texture coordinates, and set the object UV map as "UV map"

enter image description here

  1. What you'll get in object mode is like this:

enter image description here

  1. Now unhide the vase you hidden before since it's invisible now, see the outliner, and clik on the disabled "eye" icon to make it visible again, you'll get something like this:

enter image description here

  1. Place camera and lights in a good way to see the result, which should be something like the above result:

enter image description here

I know this isn't too short, but is not that complex, after all. Let me know if some clarification is needed. Meanwhile, I thought of another method, maybe simpler, to get similar results... If it works, I'll add another answer, or add to this one.

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  • $\begingroup$ yes this is what I would like to be able to do. Step-by-step would be appreciated. More smaller flowers round the pot. Sorry not answering sooner been in hospital.Thanks $\endgroup$ – Harry Sep 29 '16 at 8:48
  • $\begingroup$ Wow . Thanks very much for your great effort. Will try it in the next day or so. $\endgroup$ – Harry Oct 1 '16 at 6:21
  • $\begingroup$ I tried the your method which you describe up to 6. Now move the view to front, and select a rectangular shape of faces But wasn’t getting it right So I stepped back a bit and tried to get the flower onto a plane, ready for printing , but ran into difficulties. File import svg scaled 7the image to a reasonable size. Geometry to origin Object >apply >bscale Select the object CTRL + J A twice Alt + C mesh from curve/meta\surf\text Edit mode Edge mode press A twice F Could not delete centre face I wanted to extrude the face $\endgroup$ – Harry Oct 4 '16 at 12:45

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