![]() Accuracy may not matter if you only want a cleaned up line drawing, but it's more work if you need accurate engineering drawings. So you can't do a straight tracing and automatically get good results, rather you have to translate the photo into sensible CAD dimensions using the image as a guide. A CAD package is the exact opposite - everything is specified precisely the drawings are entirely informative. They're just a good looking unreliable blob no dimensional information plus lens distortions. What makes tracing tricky is that photographs measure nothing and don't understand scale. Any number of layers can be added if that helps, for example to hold construction lines or text. Then create Layer 1, and trace lines over the photographic image. The tracing technique is easy enough: take a photo and import it into Layer 0. (The free version is no longer available but there is an effective free fork called Librecad if you're on a budget.)īoth support layers (ie multiple transparent sheets stacked on top of each other that can be made visible or not) and a layer can be an image (photograph) or a CAD line drawing. Scaling would be useful, as would snap to a settable imperial or metric grid.Īnybody know of such a program?. At least you could end up with a drawing with fine, staright lines and maybe remove some ambiguities at the same time. ![]() Does anybody know of a software package that can import a photo/scan, show it faint in the background and let you construct lines, circles, arcs etc over the top of it but as a separately saveable drawing file?. I would dearly love to make some better drawings for this mill, particularly the head, leadscrews and gearboxes. If it is angular contact then I just don't understand how it is supported and takes load. I'm pretty sure my top third bearing was a standard deep groove too. It's annoying that there is so little documentation on the many variants.
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