4 model

Free

BAAKK: Bolt And Allen Key Knob

Printables

Free

Bolt-on Allen Wrench Holder for Wanhao Duplicator I3 (Maker Select)

Thingiverse

Free

Metric Screw Gauge Card – M3 to M10

Cults3D

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Alien Bot Mech Warrior Fantasy 3D Printable

Printables