This model can be printed with little to no support depending on your printer settings it should be fine without. Assembly should be simple using the completed image as a guide. No glue or hardware is necessary to assemble.

4 Pegs

4 Arms for Heart Arms

2 Support Arms

4 C Rings For Pegs

4 C Rings For Heart Arms

2 C Rings For Support Arms

1 Base

1 Back Base

1 Knob Gear

1 Gear

1 of each Heart Arm

1 of each Rack

2 or more Braces to connect Support Arms

Cover for the Knob gear is optional but helps keep the racks in place.

May take some adjustment to get the heart halves to line up nicely. Could attach a magnet to each one for a more satisfying join.