sellier et poivrière en un

thingiverse

This is an engine that lets you use salt and pepper one at a time with just one object. You simply turn a small wheel with your finger's pressure and it's done. The 3D design is made in four different parts that need to be assembled. There are two parts that need to be sanded because otherwise they won't fit together well. Also, the hole in the rotating piece needs to be enlarged or else it won't fit into the lower piece. After all these steps, you'll have a functional salt and pepper shaker combined. Standards NGSS Overview and Background When everything is put together properly, the object works very well. Lesson Plan and Activity This object is very easy to build. Materials Needed A 3D printer, something for sanding, and a drill.