Free

The Gravity Waltz

Orbital System

A smooth orbital mechanism designed as a gift for science lovers. Easy to print, satisfying to use, and perfect for displaying on your desk.

Assembly Instructions

Step 1

Grab the main base piece and the 5 gears

Assembly instruction step 1

Step 2

Slot all 5 gears on the base piece as shown in this image. Also grab the second base piece

Assembly instruction step 2

Step 3

Place the second base piece on top of the main base piece by aligning the shafts and holes. Also grab the small cylindrical disk part

Assembly instruction step 3

Step 4

Place the cylindrical disk in the elliptical track as shown. Also grab the third base piece and the central piece

Assembly instruction step 4

Step 5

Add the third base piece and central base piece to the model, as shown. Also grab the two parts that make up the pin joint

Assembly instruction step 5

Step 6

Assemble the pin joint parts and place them as shown in the image. Also grab the black hole and neutron star parts

Assembly instruction step 6

Step 7

Now add the black hole and neutron star parts to their corresponding positions. Also grab the handle and the black holes outer rim

Assembly instruction step 7

Step 8

Add the handle and the black holes outer rim as shown in the image. Your model is now assembled and ready to use. Enjoy!

Assembly instruction step 8

Bonus Tip

Always rotate the handle so that the pin joint is pulling rather than pushing. Depending on how it was assembled, this can be either direction

Assembly instruction step 8

Watch It In Action