Open the SVG file you want to use in Inkscape V.92 or newer.Verify the “Units” are set to “mm” or “inches” in the “Custom Size” section of the “Page” Tab in the Document properties.Format the page size as needed (usually done by selecting “File”-“Document Properties”-“Resize page to drawing or selection”).Select “File”-“Import” to import the SVG design you want to use.Open a new SVG file in Inkscape V.91 or newer.

I am working toward making K40 Whisperer more flexible with respect to the file formats it will accept but until that task is completed here are a couple of procedures to make your SVG files work with K40 Whisperer. However, the information provided is sometimes incomplete. K40 Whisperer attempts to provide some guidance to assist in getting the SVG file into a format with the needed information. This error or an error indicating that the “Units not set in SVG File” is displayed when K40 Whisperer does not have enough information to conclusively determine the intended physical size of the design in the SVG file.

If you are importing files from sources other than a recent version of Inkscape (v.91 or v.92) you will likely be confronted with an error indicating that the SVG scale cannot be determined (i.e. K40 Whisperer is a bit finicky about the SVG files that it will accept.

Svg to stl inkscape