You might ask your friend to touch it with the point of a hot knife blade to see if it melts. Only stuff i've seen with that precision is 3D printing.
![Image](http://www.nanowerk.com/news2/biotech/id37944.jpg)
http://www.georgehart.com/rp/rp.html
http://www.nanowerk.com/news2/biotech/newsid=37944.php
Users browsing this forum: No registered users and 0 guests