Supply is Elastic

https://marginalrevolution.com/marginalrevolution/2022/08/supply-is-elastic.html

Question

1. Did the people who planned the buy-back hope to increase the production of guns? 
2. Did the people who produced the 3-D guns response rationally? 
3. Do you think that the people who produced the 3-D guns sell them in gun shows or on the street? Why or why not?