@routErcnC
I know no one is going to give cad or whole Help, but just needed some help, the rest will be done By ourselves.

thanks for your suggestions

ill go with 20mm ball S Crews and 30mm linear rails.

ill search In the market and post the images, until that i Put hold.

well all people design first and then Look for the materials, but i am Trying to find these two t Hings Offline and then design it.

the One video posted by nr i madman is easier to build so ill go with that one.

i Understand what you said, but i Want to do Once in My Life.