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