Here is the Digital Version of a Vault of Moravec designed Langing pad for you to print out for yourself at home. The landing pad is approximately 2 feet square and is perfect for any large dropship to land on. It has a built in fuel pump and various steps and ramps. 
 
It comes with 16 seperated model pieces and alginment pegs and has been optimised to print on a moderate size printer like a Creality Ender 3 with no supports. 
 
Suggested settings :
Layer height : 0.2mm
Hotend temp : 205c
Bed temp : 65c
Infill : 10%
outlines (aka shells) : 2
Top layers : 8
Bottom layers : 4
Speed : 50 mm/sec