This is a great site to develop models that have a professional appearance
Take notes using handouts from class
scroll down to see video Part One then practice the Ruler Game
Part Two then practice some more
Part Three then practice some more
when you have earned 1000 points, call the teacher to verify and award you points... procede to the next level
Use a straight edge for all lines you draw...
There will be graph paper and isometric paper available for your use...
You may insert this in your Engineering Notebook in addition to CAD drawings that you may print and adhere.
Make sure to include dimensions and scale.