Please, add button to enter block size

[anthony_queen]

Before building i designed ship in corel (programm). I have 0.001 size every block. Its too hard to catch with mouse these 0.001, sometimes i have lucky to catch right size for 10 sec, sometimes its takes 3 minutes for one block. one block of hundred. i need button like this. it will make building process more easy. 

[TacticalMaster]

It's already built-in the game since around its inception.

Go to the Blocks window and find the "Show Size" in its tool -- A Cube with three vertical lines. There, you can manually input the block's length to get the desired and precise size.