: Convert stroke to path my question probably falls into expected behaviour category, but i'd like to understand how to do it right. im working on a design for microfluidic channels that needs

@Phylliss782

There are multiple ways to achieve this, but the easiest way to create that shape is by building it with circles and lines first; then merge and stroke them:




Draw circles and lines
Convert strokes to path (Path > Stroke to Path)





Select all elements and union them (Path > Union)





Give the path a stroke and set a white background





Change the stroke order to: Stroke,Fill,Markers to keep the channel width intact. (Fill and Stroke > Stroke style > Order) (As suggested by Socowi)




This approach also works for more complex shapes:





Another cool way of creating the channels is by creating the walls, and then use that as shape for a new path:




First create two rectangles (the walls)
Union the rectangles (Path > Union)
Copy the shape (Ctrl+c)
Select the Bezier curve and Straight line tool
In the tool menu on top, select Shape: From Clipboard
Draw a path
Now you have a channel path that is still editable
Optional: convert this object to a path (Path > Object to path)




I hope this enables you to create the microfluidic channel design with Inkscape!

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