Need advice about raising an 8 inch dob

Just got a telescope for the first time and I have a small outdoor space which I was planning on using it in.

I think I might need to raise the telescope up to gain a bit of extra height so I can use something in the day to align the finderscope etc rather than having to use the moon at night (which I think would be more difficult for a beginner).

Does anyone know of anything you could buy to do this? I'm in the UK if that makes a difference.