If I had the bits, I think I can figure how to put it together. There is also a SLDASM file which, I take it, is some kind of assembly definition.
There are some other bits that have SLDPRT files, such as the spring, plunger, and nut. This is all because I am now the proud owner of a "tap wrench" that was part of a carbon steel set from B&Q DIY store, Said excuse for a "tap wrench" had one handle attach the body with a quite wobbly thread which sheared without reasonable provocation. I wanted to make one, rather than make a model in CAD, and fetching a model would get me a dimensioned sketch. I can, of course, make my own model in FreeCAD, but given what it is, I don't really need to. Is it pushing the boundaries at all if a HM member who happened to have SolidWorks, loads a SDLPRT file, end then exports it in STEP format, and re-posts it? There may be some members who have this software, and don't mind helping out. Then converted to a solid in the Part workbench. The STL file needs to be accepted in meshing mode, and then analyzed and worked on to remove triangle boundaries on flat faces, and "healed" in various ways. There are free online converters that can convert a SLDPRT file into STL format, which can be read by FreeCAD.
I do have an "unrar" utility, so I can uncompress RAR files, but not make them. This route is not available to me because I can't make a RAR anything, since I don't have Windows anyrthing. I found this tip -> HERE, but I still find it hard to believe a SLDPRT file when compressed RAR is a STEP file ? RAR (1st stage), and then simply rename the file from. One way, apparently is to compress a SLDPRT file into type. The model is here -> GrabCAD Tap Wrench Model I would love to find a way to convert them to STEP file, or IGES, or something that can be imported into FreeCAD. The model was posted on GrabCAD by an enthusiast who happened to use SolidWorks. It may not be exact Starret, just his take on it. This is about a nice, free to download, model of a Starrett 91C type of tap wrench, but drawn up by a CAD enthusiast, and made available to everybody.
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