7 model

Free

Modular carriage for 40x20 rails (using 3 solid V wheels)

Thingiverse

Free

Modular carriages for 4020 v-slot (for d3m-bot, d-bot, c-bot)

Thingiverse

Free

B1XZ mod for BIQU B1 (CoreXZ)

Thingiverse

Free

dTitan Geared Extruder

Thingiverse

Free

Drakon reinforced extruder

Thingiverse

Free

Big Hero 6 Action Figure

Thingiverse

Free

ball and socket

Thingiverse