Run the Inkscape.
Preparation the document.
File > Document Properties...
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Tab the Page > Custom size > Units: px.
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Tab the Page > Custom size > Tab the Grids > Creation > Axonometric grid > New.
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I add layers.
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I'm sending to a file SVG the finished picture PNG made in the b3d.
File > Import...
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In window the 'Select file to import' i'm open the finished picture PNG made in the b3d.
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In window the 'png bitmap image import' i leave the default values.
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I paste a copy in the other layer.
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The size a picture too much. I reduce the size a picture.
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Object > Transform... > Scale > Width and Height % 'Scale proportionally' on. Apply transformation to selection once or
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more.
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I delete layer with the original picture. I delete the empty a layer 1 also.
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I draw the arbitrary object using "Bezier" tool of.
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I use 'Guideline' for comfort.
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Into the same way layer i'm copy and paste.
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I draw with "Bezier" tool to the acceptable result.
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I paste a copy in the other layer.
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I delete to Stroke:
Object > Fill and Stroke... > Stroke paint > No paint
I delete to ‘Grids’ 'Guideline' also. For 'Guideline' LKM+Delete:
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I select all objects in all layers.
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I export the objects in the PNG file.
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Result.
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Look on the full version of the video on my youtube channel. 29 minutes 34 seconds.
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