iGrandDesigner is a spline-based freeform geometric modeler which includes a world class sketcher, full Boolean operations, rounds and offsetting (optionally using true offset surfaces). Functionality ranges from very high level (creating advanced parts from sketch geometry for example) to very low level (like cutting and stitching individual surfaces). You can use the Sketcher to draw curves and profiles that you constrain (tangency, length, angle etc.) as you draw. You can round part edges in seconds, write text in any available font right on 3D freeform geometry, create hierarchies via drag-and-drop in the Outliner window, and precisely place sketches, models and hierarchies via the easy-to-use geometric constraints engine or use the even easier, Move and Rotate mouse drag operations.
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