cad tools downloads
RISAFoundation
13.0.4 download... Automatic generation of circular mat slabs * Comprehensive CAD-like graphic drawing/editing capabilities that let you draw and ... allow drawing without grids * Powerful graphic select/unselect tools including box, line, polygon, invert, criteria, spreadsheet based, ...
STL Viewer / ABViewer
14 download... parts as DWG or DXF format. Easy-to-use measurement tools permit users to get more detailed information: area, ... work not only with 3D, but also 2D CAD formats: DWG, DXF, HPGL, SVG, CGM and others. ...