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I need help on adding thickness to the below PNG. Image I am trying to follow tutorials online but somehow they are not working for me . Would appreciate your help on this.

Eventually, we will use the boolean function to engrave this logo on another (shell) object that we need to 3D print.

Thank you in Advance Mansi

enter image description here

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    $\begingroup$ Please show us what you are able to achieve, where your problem lies, what you want to achieve. If things "don't work for you", chances are you are doing something wrong. $\endgroup$
    – Lutzi
    Commented Mar 3 at 14:27
  • $\begingroup$ Hello and welcome. If instead of using a PNG, you make an svg out the PNG, could import that to Blender and use it in 3D space $\endgroup$
    – Emir
    Commented Mar 3 at 14:49
  • $\begingroup$ There's also an auto-trace route within Blender, but easier to do outside.. $\endgroup$
    – Robin Betts
    Commented Mar 3 at 19:38

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You can import an svg and convert to mesh, if you do so ignore the first steps.

If you don't have any svg you can save your image as jpg or png with a white background and import it as Image > Reference, then Object > Convert > Trace Image to Grease Pencil:

enter image description here

Then RMB > Convert to > Bezier Curve:

enter image description here

The bezier object will overlap so move the original:

enter image description here

Select the bezier object and RMB > Convert to > Mesh:

enter image description here

Switch to Edit mode, select all and X > Limited Dissolve in order to simplify:

enter image description here

Also press M > Merge by Distance to merge all the overlapping vertices:

enter image description here

Fill the faces with AltF:

enter image description here

Then again do a Limited Dissolve in order to simplify the topology, now you can extrude:

enter image description here

If you plan to round the edges with bevels you'll need to work the topology of the faces a bit...

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