Overview

There are many examples of using head positioners from CD/DVD Drives to make small 3D printer/ CNC machines etc

Plotter/Printer/Engraver/CNC Projects

L-shaped 3D Printers
Daniele Tartaglia 3D Printer from FDD and DVD drive.
Tinkernut How To Make A Cheap 3D Printer.

L-shaped Pen Plotters
Part:1 Mini CNC Machine/ Simple frame assembling. Part:2 Mini CNC Machine/ Making the support parts from PVC pipe. Part:3 Mini CNC Machine / Prototype PCB. Part:4 Mini CNC Machine / How to make G-code file from text and image.
Adi Dax Mini CNC plotter from old CD / DVD drives (German).
sandeep How to make Arduino mini CNC plotter machine. Mrinnovative Arduino based mini CNC 2D plotter. Mr Innovative How to make Arduino Mini CNC plotter machine.
prabeenraj01 Automatic Writing Machine.
tuenhidiy Mini CNC Plotter.
Malik Kanoje CNC Plotter made from scrap.
me_zain Mini Arduino CNC.
LoopLinks How to make DIY mini CNC plotter from old CD-DVD writers using Arduino and L293d motor shield.
Daniele Tartaglia How to make mini CNC plotter 2D using scrap DVD.
Homemade Therapy How to make a CNC machine at home.

L-shaped CNC machines
Make it BIG Small Arduino CNC. Can be used to mill thin balsa wood and different foams.

Flat 2D Plotters
Creativity Buzz Homework Writing Machine. Creativity Buzz How To Make Homework Writing Machine at Home.
TecH BoyS ToyS How to make a Homework machine for Students.
NDA Hack How to Make Homework Writing Machine at Home
brunoip Printer From a CD Reader (moves paper)