Models and programs I've written and done over the years that has helped me with AutoCAD and 3d modeling free for you to download.
Free AutoCAD 3D Solid Eccentric Reducers

AutoCAD Eccentric Reducers 2" - 14"
If you are having problems with the AutoCAD file you can download this .sat (2004) file and use ACISIN to bring the solids into a blank drawing
AutoCAD MDT 2005 Table Driven Eccentric Reducer
Free 3D Lisps and Apps
| Name | Description | Acad Version |
| PIPERUNv2 | Makes a 3D pipe run with wall thickness using Multiple polylines, 3dpolys, slines, arcs or lines. | 2007+ |
| FlatShotSelect | Allows you to select the solid(s) you want to make a flatshot of. | 2007+ |
| INVCUT_1-5 | Inverse Cut Multiple Solid edges with multiple options - Square/Fillet/Chamfer/Profile/Block | 2007+ |
| Write_Log | Track (using a reactor) whatever commands you want, who used them (by login name) and at what time. | 2000+ |
| PlotCutePDF | CutePDF Writer plot config routine Works with CutePDF Writer version 2.8 or greater Gives you the option of emailing and/or viewing the pdf after it's created. | 2000+ |
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