[Adam.garcia]

Originally Posted by IanW

Gearbox:
With a gearbox it's just a slow process of outlining the areas that will remain (around bearings, spacers, bolt holes, etc.), followed by adding in the lines that will connect them. Attached is a picture of the drawing I created for the lightening pattern I used for a gearbox project I've been working on. Notice how I used fairly few dimensions for the amount of sketch geometry. I did this by using a lot of sketch constraints, ultimately making the sketch easy to use if I ever want to go back and make changes.

Hope this helped, I'd gladly try to answer other questions.

Yes, that definitely helped. Here is the final gearbox that I've designed.