Unless the manufacturer just sees something that looks really strange or unusual, they will assume that you have double checked the coordinates and that they are correct. *Note: I should also mention that when it comes to generating geometry to have a CNC operator manufacture, it is you the designer who owns the responsibility that the file you send is correct. dxf files to Tim at Wildman and he said that they read in to his software just fine. This is why i said to input your fin design, then move the outline up by the depth of your fin tab, then finally add in your fin tab as this way everything ends up where it belongs. *Note: While the person doing the CAM file for the CNC can move the shape around, it is preferred (and courteous) to specify the lower left corner of your design as cartesian coordinate 0,0. dwg format (for drawing) is important to share drawings among. LibreCAD supports various file formats, including DXF (default), DWT, DGN, SVG, PDF, PNG, SVGZ, BMP, JPG, and GIF. So, just use the fin tabs option under the fin design box and you can see how much you need to offset the fin vertically before manually drawing the tab. dxf and formats suitable for printing with PDF being important). Bentley (Microstation) and Autodesk (AutoCAD) - would lead a great deal to it's consideration as an alternative, an. In general, the fact that an alternative program, like LibreCAD would be able to open the files from the 2 biggest contenders in the CAD world - i.e. You can SEE them.but they don't show up in the shape tab of the fin. LibreCAD looked fine, but could not read the well documented. dxf which is read by practically all CAD/CAM/CAE packages!Īs you see, interface is not overwhelmingly cluttered with options.Īs OR can't output an electronic file that you can simply read in to a CAD package, I just went to the shape tab of my fin design and input the coordinates of each vertex manually.įin tabs are another strange creature in OR. The best part is that it's native file format is. Somewhat reminiscent of the AutoCAD's of old, it does have some different behavior with respect to some of the standard features found in most CAD packages, but you can quickly accustom yourself to these quirks. Enter LibreCAD! It's a free 2D package that runs on Linux as well as Mac and Win. Heavy reliance on AutoCAD, along with the tight control that parent company Autodesk exerts over the proprietary DWG file format, both stifles innovation and perpetuates proprietary software in our industry. So, i have been using OpenRocket for quite some time, but never found an automated way to generate an electronic file from inside OR that a CNC person could use to cut something like, say, custom fins! As an Ex CAD/CAE person from way back, I was familiar with a number of CAD packages, but wanted to find something that was Open Source like OR is. The field of 2D CAD within the AEC industry is currently dominated by AutoCAD, and in particular, the proprietary DWG file format.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |