It was built using the Mongoose rules though.
This is all easy to calculate if you really want to OD on math (not meth

) Since most of the things you will be making will be high tech and complicated, let's assume that all materials cost 90% of final cost instead of 50%. One mining drone can put out roughly 13 dtons of raw materials per 8-hour shift. 3 shifts a day is 39 tons. This material costs 1,000Cr per dton. This can give you a credit value of how much can be mined per day. If you smelt it, then you have to break it down to get the actual costs. (9.75 tons of Uncommon Ore, 5.85 tons of Uncommon Raw Materials, 5.85 tons of Crystals and Gems, and 1.95 tons of Precious Metals for a total value of about (someone better check My math. It looks wrong.) 38,025Cr/day is 10% of that. Then you will have to check if this exceeds the tonnage output for the specific Fabricator. Once you know all of that, it is easy to calculate how much time is needed to build something.