A. Resins
B. Nintinol
C. Rubber
D. All the above

Solution

D. All the above

Explanation

<p><span style="font-size: 14px;">3D printing uses a variety of materials depending on the technology:</span></p><ul><li><span style="font-size: 14px;">Resins (SLA/DLP printing)</span></li><li><span style="font-size: 14px;">Nitinol (metal 3D printing)</span></li><li><span style="font-size: 14px;">Rubber-like materials (flexible filaments such as TPU)</span></li></ul>