ChristMATH Ornaments

Planetary Bevel Reducer 1:4

Hyperboloidal Gear Drive, 11:40, 60° Shaft Angle

Fully 3D-Printed RC Vehicle

Rubik's Cube Robot Carrying Case, Fully 3D-Printed

Mechanical Spinning Top

Fully 3D-Printed Servo-Driven Digital Clock

Assorted Jars with Screw-on Caps and Knurled Walls

Beach Umbrella Anchor

Hyperboloidal Gear Model

Fully 3D-Printed Rubik's Cube Solving Robot

Screw (Crossed Helical) Gear Drive Model

RC Tank that Prints without Support, Assembles without Hardware and Wires without Soldering

Automotive Differential with Hypoid Gearing, Motorized Model

Walking Gear Robot

Eccentrically Cycloidal Drive Model

Hypoid Gear Drive Model

Fully-functional Hand-cranked Hypocycloid Speed Reducer Model

Vintage "Perpetual" Flip Calendar

Stackable Planetary Gear Mechanism (Reducer)

Bevel Gear Drive Model

Globoid (Throated) Worm Drive Model