This CNC router for PVC pipe is a great example of harvesting materials from an unusual source. [Christophe Machet] undertook his “Pipeline Project” specifically to explore what can be made ...

Step 7: Let the PVC dry for 24 hours. Allow paint to air-dry and cure for at least 24 hours before using it in your project. For projects that could scrape or nick the pipe’s new coat of paint ...

Pipe-pin two-way hinges were first introduced by Caltrans bridge designers. The intended behavior of these hinges is to eliminate the joint moment while transferring shear and axial loads. An ...