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The original was posted on /r/factorio by /u/mildlygay8022 on 2024-04-07 17:53:09.

Compact Chemical Science [45/m] [30x20]

Compact chemical science build, 45 science per minute, 30x20, 600 tiles surface area, optimized specifically to be compact for your factorio world :) This is an update post to an older design, this new one allows green circuits in from the BUS as per a comment suggestion. I wanted to post here as I accidentally posted it on the wrong account, plus the earlier post was getting long.

Advantages:

-only 30x20, can fit in a starter base easily, the numbers are divisible by 10! :D

-BUS import, all inputs on the left, output on the right, green circuits on the bus now

-no speed modules required

-blocky design, i.e. all chemical science in top right, engines bottom right, red circuits left, copper wire bottom left, easy to expand by simply doubling engine + chemical science section to the right side, and by doubling the copper wire + red circuits to the left side

Disadvantages:

-47 red and 12 yellow undergrounds, expensive :C

-power poles asymmetrical :C

-messy spaghetti, particularly bad near bottom left so can be complicated to setup and visually unappealing but thats the cost of a 30x20 build

String for the blueprint: