I wanted to share this as it was easy to make and I spent about $80 on it not including the tarp (hubby already had it and I stole it). I didn't include the cost of the cages in that figure just the shelter.
I'm not sure how long it will last since it is untreated PVC but if It lasts a year I'll be happy. It is a bit narrow to walk besides the cages on one side but it keeps the rain and most of the wind off the buns and I can expand it easily which I plan on doing soon. Right now the cages are single stack 4-30x36 and one big 55x60 that I'm going to divide in half soon. The large part is a repurposed dog cage that was given to me. It's an all metal frame so I used it as a base to attach the other cages. The "barn" it's self is anchored to the trees so it doesn't move. The wind did push it a bit before I anchored it. It is about 10x12. I cut all the pieces and glued it all together then used the ropes you see in the picture to bend it. It's all 1" pvc with standard fittings.
Here is an image of the roof.
EDIT: I found this post to update it and noticed the links to the photos were broken so i fixed them.
I'm not sure how long it will last since it is untreated PVC but if It lasts a year I'll be happy. It is a bit narrow to walk besides the cages on one side but it keeps the rain and most of the wind off the buns and I can expand it easily which I plan on doing soon. Right now the cages are single stack 4-30x36 and one big 55x60 that I'm going to divide in half soon. The large part is a repurposed dog cage that was given to me. It's an all metal frame so I used it as a base to attach the other cages. The "barn" it's self is anchored to the trees so it doesn't move. The wind did push it a bit before I anchored it. It is about 10x12. I cut all the pieces and glued it all together then used the ropes you see in the picture to bend it. It's all 1" pvc with standard fittings.
Here is an image of the roof.
EDIT: I found this post to update it and noticed the links to the photos were broken so i fixed them.