Autocad-lt-2011 -

: Use the status bar to toggle Object Snap (OSNAP) to ensure lines connect precisely at endpoints or midpoints. 2. Create Basic Geometry

Before drawing, ensure your units and scale are correct to ensure accuracy. autocad-lt-2011

: Type TR to cut away intersecting lines or EX to lengthen them. : Use the status bar to toggle Object

: Type L and click to specify a starting point, then drag and click for the next point. To finish a closed shape, type C (Close). autocad-lt-2011

Most "pieces" begin with simple shapes that are then modified.