Autocad 3d modeling tutorial Exercise_1

Practical exercise of the main commands of 3d modeling. In particular, in this exercise we will use:
1) Conversion of line contour to polyline; 2) Use of ucs, dynamic and manual (associated with views); 3) Extrusions of solids and surfaces, press and drag;
4) Boolean operations, union and subtraction;
5) Modification operations: 3d mirror, shear;