Talk about how new technology (like 3D printing) developed in the 21st century affects design in using natural material and recycled material.

Using the following designs as examples (with other example you find):
1. https://www.dezeen.com/2020/01/20/sandwaves-precht-arthur-mamou-mani-pavilion-saudi-arabia/

2. https://3dprint.com/261403/plumen-batch-works-3d-printed-lampshade-collection-made-from-recycled-plastic/
https://www.dezeen.com/2020/01/02/plumen-batch-works-lampshades-recycled-plastic/