An STL, as a picture anyone can open.
Turn an STL into a PNG picture in your browser with nothing uploaded: turned to the view you want, at any size, on a clear background if you like.
By Suraj Kumar3 min read
An STL opens only in 3D software, but a print shop, a listing or a friend may want to see it first. KeepSimp draws it and saves a PNG.
Drop the STL.
Open STL to PNG and drop the file; it is read in millimetres and stands as a printer would stand it. Turn it to the view you want first, and choose its look under More options: shaded, with its edges, as a wireframe or see-through, with flat faces or smooth.
Press Save a picture of the view, and the PNG is saved at the size set under More options.
With its size, if you need it.
The size of its box is shown at once, in the unit you choose; press Measure and two points for the distance between them, then save the picture with the marks hidden.
Or turning.
A video of it turning once shows every side: an MP4, a GIF or a WebM.
Further reading
Topics: stl to png · stl to image · stl to jpg · stl preview · stl thumbnail
A little less theory. A little more doing.
Try it on your own terms, with a free browser tool.
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