3D 프린터를 위한 프레임
프레임 조립: https://www.youtube.com/watch?t=93&v=9lqsslsYwdA http://martin53.wixsite.com/3d-printer-x-project/diy
일부 부분들: http://www.ebay.com/itm/3D-Printer-Smooth-Threaded-Rods-Nuts-Washers-for-Prusa-i3-i3-Rework-M8-M10/321896729591