This 3D Graphics tutorial shows you a good way to make Modelling a Tire Tread. The author uses very good texts with concise directions. The texts are accompanied by pictures and screenshots to check your work.

First, we need to start with a default VCL application in Delphi. Because I do not know the ways that Lazarus handles threads I make no promises that it carries over.

This application will allows to do multiple simple activities on oracle database like running select statements and getting selected procedure's definition simultaneously in a thread-based GUI.

Make your Web site a conversation piece and learn a couple of coding tricks in the process.