Aluminium Extrusion Router Build

[Hulksmash]

First let me congratulate on an amazing build. Its amazing what many do with aluminium, basic hand tools and a little patience. I started designing a build (was all steel) but after spending a few hours with Clive its back to the drawing board for some re-jigging about. I thought I would need a mill to turn out the stuff many have done, but you have shown that's not the case, well done.

I was trying to work out some measurements from your design - is the gantry 90 x 45 heavy - and did you do an L shape pattern ? I think that's what quite a few have done - Heavy-Aluminium-Profile

I see you have put aluminium on the top of the x and y axis - is that 20mm cast aluminium?

Many thanks - and sorry for all the questions - I am just learning.

Mike