El .o file es el archivo donde visualizas como se ve tu kit con el programa o-edit
Well, I've made a mini video tutorial to explain how to do curve lines with corel I hope that this tutorial helps to the people who wants to start making kits.
Code:
http://rapidshare.com/files/78006235/hacercurvas.rar
I'll be working with another tutorial more advanced in a few days ..about how to make all the kit ..