Update: I have add individual print profiles for each part. 

I designed there in Tinker Cad, so they are fairly primitive. I wanted some shelfs and draws that make use of the maximum bed size of my A1 and fit within a given space. So after a bit of tinkering, i was happy with these and i thought i would share them. 
They are probably over engineered, but i wanted the draws to be strong enough for my needs and i didnt want them to flex.
I have provided a 2x2 set and a 2x1 set depending on your needs, as well as a draw with a cut out at the front or without. 
You can fit 2 draws on 1 bed (i use a smooth plate to improve sliding.
Sizes suit my specific space, 

2x2

W=256mm

D= 242mm

H=180mm
2x1

W=129mm

D= 242mm

H=180mm

Draws

W=120mm

D= 240mm

H=80mm

Hope they are useful for people other than me.