7 model

Free

Z-axis optical endstop (Re-D-Bot)

Thingiverse

Free

X,Z endstops (Re-D-Bot)

Thingiverse

Free

3-wheeled Z guide (Re-D-Bot)

Thingiverse

Free

3-wheeled Z guide for 20x20 V-Slot (D-Bot)

Thingiverse

Free

My D-Bot's Z-axis Setup

Thingiverse

Free

Parts for Adding Third Z Screw to D-Bot

Thingiverse

Free

D-Bot linear rail z platform

Thingiverse