An exploded view of the Lego Saturn V (21309). Screw holes for mounting are 4.3mm in diameter.

Print 2 of the smaller diameter brackets, and 4 of the larger diameter ones. You only need the solid bracket if you plan on adding lights to it.

Here is the lighting kit I bought.

https://www.amazon.com/gp/product/B07TG91HGB/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

It needs an additional Technic axle peg to round friction peg Lego piece to mount the lunar lander and service module.

Print Settings

Printer Brand:

Prusa

Printer:

Rafts:

No

Supports: