FreePrintrPlate - Printrbot Full Build Tray (On Steroids)
Thingiverse
7 model
Free
FreePrint and Plate System! - Metal 3d-Printing at home!
Thingiverse
FreeInteractive Build Plate Levelling - Print Aid
Thingiverse
FreeGlass plate holder for print bed glass.
Thingiverse
FreeProfile Simplify3D for cetus3D print / STL plate
Thingiverse
Free2 Minute Build Plate Leveling Print
Thingiverse
FreeFan guide for Prusa i3 (Printmate 3D)
Thingiverse