How to draw a sprocket in autodesk inventor 7

I'm gonna show you how to draw a 15 teeth sproket in 3d using autodesk inventor 7. I don’t have this program so i have to use it in my college.
I want to thank my friend Podri for helping me with the translation

Bueno, voy a enseñarles a dibujar una corona de 15 dientes en 3d usando Autodesk Inventor 7. No tengo este programa, ais que lo utilizo en mi facultad.
Gracias a mi amigo Podri por ayudarme con la traduccion. 

Step 1 Starting

Open the program, select “standard ipt”. Then select “project geometry” and project the X,Y,Z axes

Abra el programa, seleccione "standard ipt". Luego seleccione "project geometry" y proyecte los ejes X,Y,Z.

Comments

[soonerhop]

Thanks, I'm going to use this in my CAD/Engineering class I teach, good practical project, where kids apply a little math.

[keywe]

What's SEN( ) in that math formula?

[notingkool]

you also can find it like "Sin (º)"