Model Builder Community

Am haveing trouble down loading the buiding plans. I down loaded building plans, but when I go and find them, I cant find were I put them. What I need to know were do I down load them to. So i can work with them on model builder

The default location is in the download folder. I created a folder just for downloaded Model Builder files called Model Builder Designs, I then created separate folders in this folder for each of the scales and for my own designs. When prompted during downloading I designate which folder to save them to. That way when I want to load them into Model Builder they are easily accessible. I hope this helps.