how did you make the 3d printer and why ?

Question: how did you make the 3d printer and why ?
- Keywords:
  3d printing
Asked by dabb749 to Sarah on 10 Nov 2016.
- Sarah Hampson answered on 10 Nov 2016:
  
  I didn’t build the 3D printer that I use (although some people do build their own 3D printers!) – my work bought it for around £100,000. It’s expensive because it uses a laser

Question: how did you make the 3d printer and why ?