Alibre Design

4.8 Working in a Sketch.......................................................... 1074.8.1 The Sketch Grid ........................................................................1074.8.2 Snapping to the Working Plane.................................................1094.8.3 Cursor Dimension Hints ............................................................1104.8.4 Cursor Display...........................................................................1104.8.5 Inference Lines..........................................................................1114.8.6 Direct Coordinate Entry.............................................................1114.8.7 Right-click Menu........................................................................1124.8.8 Open and Closed Sketches.......................................................1124.8.9 Checking Sketches for Open Ends, Intersections, Overlaps.....1134.8.10 Enclosed Figures ......................................................................1144.8.11 Copying and Pasting Sketch Figures .......................................1154.9 Sketches and the Design Explorer ....................................... 1164.9.1 Editing Sketches .......................................................................1164.9.2 Renaming Sketches ..................................................................1174.9.3 Deleting Sketches .....................................................................1173D Sketching ........................................................ 1195.1 The 3D Sketching Interface................................................ 1205.1.1 3D Sketching Context ...............................................................1215.1.2 Current Coordinate System.......................................................1225.1.3 Sketch Plane, Guide Lines, and Elevation ................................1235.2 Entering and Exiting 3D Sketch Mode .................................. 1265.2.1 Entering 3D Sketch Mode .........................................................1265.2.2 Exiting 3D Sketch Mode............................................................1265.3 3D Sketch Figures ............................................................ 1275.3.1 Line ...........................................................................................1275.3.2 Arc.............................................................................................1275.3.3 Spline ........................................................................................1295.4 3D Sketch Nodes .............................................................. 1305.4.1 Placing a Sketch Node..............................................................1305.4.2 Inserting Sketch Nodes From A File..........................................1315.5 Working with Existing 3D Sketch Figures.............................. 1325.5.1 Adding Fillets.............................................................................1325.6 Dimensioning 3D Sketch Figures ......................................... 1325.7 3D Sketch Constraints....................................................... 1365.7.1 Inferred Constraints...................................................................1365.7.2 Explicit Constraints....................................................................1375.8 Other 3D Sketch Functions................................................. 138Reference Geometry ............................................. 1396.1 Reference Planes .............................................................. 1406.1.1 Offset Plane ..............................................................................1406.1.2 Tangent Plane...........................................................................141iii