Take exactly what you've discovered and start putting it to utilize. Use these pointers found here as the jumping off point you need. With carpenter squares, you have to hook them onto your work piece's edge. Make sure your work area is safe, well-lit and arranged. Working with woods is hard work, and it is unsafe work when your work location is dim and there are security risks in the area. It needs to fit you and how you work. Use your bench at its existing height to figure out if you need to change it to work much better for you.
Homemade Pottery Wheel Plans