This paper describes the Charter on the preservation of the digital heritage and it also presents the five main printing technologies. FDM (Fused Deposition Modeling). SLA (Stereo Lithography Apparatus). DLP (Digital Light Processing). https://www.roneverhart.com/Western-Digital-Re-WD6001FSYZ-6TB-7-2K-RPM-SATA-6Gb-s-128MB-3-5-Hard-Drive/