# Tutorial - Modeling USB Head in SolidWorks Part 1?

Here is the first part of tutorial.

1. ### Step 1:

Start SolidWorks in Part mode.

2. ### Step 2:

Top plane >> Sketch.

3. ### Step 3:

Draw a rectangle of 32mm x 15mm.

4. ### Step 4:

Extrude it by 7.11mm

5. ### Step 5:

Top face >> Sketch.

6. ### Step 6:

Draw this sketch.

7. ### Step 7:

Mirror it about center line passing through origin.

8. ### Step 8:

Extrude cut it by through all.

9. ### Step 9:

This face >> Sketch.

10. ### Step 10:

Draw a circle of 6.096mm dia at the mid of the center line.

11. ### Step 11:

Extrude it by 13.97mm at 2º draft.

12. ### Step 12:

Select this face >> Sketch.

13. ### Step 13:

Draw a circle of 3.048mm diameter.

14. ### Step 14:

Extrude it by 20.32mm.

15. ### Step 15:

Top face >> Sketch.

16. ### Step 16:

Draw a horizontal center line on this face.

17. ### Step 17:

Draw a rectangle of 14.478mm x 9.906mm at a distance of 4.064mm to right edge.

18. ### Step 18:

Extrude cut it by .508mm.

19. ### Step 19:

Inner face >> Sketch.

20. ### Step 20:

Draw a center line.

21. ### Step 21:

Draw a circle of 2.54mm diameter at origin.

22. ### Step 22:

Offset the center line by 2.54mm in bi-direction.

23. ### Step 23:

Convert these lines to construction geometry.

24. ### Step 24:

Draw a circle of 1.524mm diameter at 8.382 to the right of 2.540mm dia circle.

25. ### Step 25:

Draw a center point rectangle and make its side equal.

26. ### Step 26:

Smart dimension it 1.524mm.

27. ### Step 27:

Draw a triangle using polygon tool.

28. ### Step 28:

Extrude sketch by .508mm.