In this activity, you will be able to make glue out of milk ... Repeat the same procedure using the commercial glue. Label the Popsicle sticks clearly. Wait several hours for the glue to dry. Before ...

once I had figured out how to print my own “glue” sticks out of PLA. The result is a bit like a plus-sized 3D-printing pen, but much simpler and capable of much heavier extrusion. But it wasn ...