You can find this web site as well as supporting 3D model files and information here:

There is a FaceBook page where you can comment and connect with other people interested in small disc golf:

Here is a link to a playlist of videos about Small Disc Golf:

Here is a link to the Professional Disc Golf association, with which there is no association or business relationship:

Small Disc Golf rules are informed by and embrace the publicly available PDGA rules. Here is a link directly to the PDGA rules: