This is a pretty ordinary wedge-shaped door stopper with a holster designed to tuck it into when not in use. Command strips are a great way to affix the holster to a surface (I liked putting mine on the backside of my door), since the whole kit weighs around 50 grams. 

The door stopper has a footprint of 1½" by 4½" and is 1" tall at its highest point. The door stopper also has a finger hole to make it easier to remove from under the door or from inside the holster.

I printed the door stopper flat on the bed, as it will sit under a door. The holster I printed with the larger open end on the bed, which worked well.

You can check out the design and make tweaks to it directly in OnShape.