Ship Construction
From STNE Wiki
Ship Construction refers to the ability to build ships. This is normally done in an orbital shipyard but it is also possible to use a prototype shipyard to build experimental NX class vessels. To build a ship it is necessary to have all the required resources stored on the colony with the shipyard. To begin construction click on the shipyard, click Build Ships and then select the ship you wish to build from the list, click build, a screen should then appear showing whether you have the required resources, if you do the click build and construction will begin.
Shorting Construction
It is possible to shorten the construction time for ships. This costs 30 Credits per tick and is not available on military or ambiguous vessels.