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Ι am making an anchor ornament and I want to desighn the curvy part of it: A 3d model where an ankor is displayed. It is half made.

But I have no idea on how to make this part. What I want is to extrude some sort of flat 3d object out of the background image:

An ancor image where the author wants to make a 3d item out of it.

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  • $\begingroup$ You can either recreate your shape from scratch or use the image: convert it to svg, and convert your svg to a mesh in Blender $\endgroup$
    – moonboots
    Aug 7, 2023 at 20:16

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Create two curves, the baseline and the profile.

Baseline:

Create a bezier circle, disable cyclic, notice how it changes the shape due to having auto handles, so after rotating it to be symmetric on $y$ axis, switch the handle types to FREE and only then delete the two excess vertices.

Profile:

Just duplicate the object and scale to $0$ on $y$ axis (will translate to 0 height on $z$ axis), then also scale it a little on $x$ axis (can adjust later). Notice how I switched the pivot to 3D cursor, to make the scaling also move it towards the origin (use .D).

Now set the Bevel to this profile:

Subdivide (F9 to adjust the number of cuts), scale, move, adjust curve radius (⎇ AltS or numbers panel) to your (p)reference:

Also see:

I need help with curve modelling

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First of all, if you have a clean image of an icon with flat colors like this you can convert it into a .svg and import it into Blender as a curve and/or convert the curve to a mesh. You can convert the image to an svg with inkscape, which is a free program. Here's a tutorial: https://www.youtube.com/watch?v=10m_2bPXa1s

Otherwise, if you want to trace this kind of detail there's many way to do it but I'd use a curve.

enter image description here

If you select the vertices and press V->Vector, you get the type with a straight line. Extrude them as if they vertices and place them on the sharp angles of the icon: enter image description here

You can then select and move the handles of the vertices to make the lines curved: enter image description here

When you have the outline done you can fill the curve by using those setting on the curve menu on the right and then transform it into a mesh with the Object drop down menu on the left top enter image description here

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  • $\begingroup$ Image originally is an .svg and I could not find a way to import it into blender. $\endgroup$ Aug 8, 2023 at 9:56
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    $\begingroup$ Does the main menu File > Import > Scalable Vector Graphics (.svg)* not work for you? This import option is an add-on that should be enabled by default. You can check it, use the menu Edit > User Preferences > Add-ons, type in "svg" in the search bar to find the add-on. and make sure it's enabled. $\endgroup$
    – Blunder
    Aug 8, 2023 at 17:20

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