This is the ship used by the families in lost in space when heading to the colonies and becomes their home.
With proper orientation on your build plate all the parts should print without supports.
Change Log - Levitating:
I purchased a levitating globe from amazon and took it apart
Inside were some magnets and washers
I then made a cavity inside the Jupiter to accept these magnets and make it levitating
The specific globe I purchased was
https://amzn.to/2WFlWpo
Word of caution the power adapter that came with my globe was either defective or underpowered and I had to use a different one.
The author marked this model as their own original creation.