firstFirst you have to configurate the blender optionsconfigure Blender to work with measurements, enable snap , select incrementincrement option (if iI am not mistaken enable snap itsis not needed but do it just in case) then select the part that you want and press G , Y , - (if you want to move it to the right dont, don't add a - simbol-
symbol, left its - , + its+
means right, but you dontdon't need to place ++
because it's implicit - blender already understandsassumes that) then the value that you want to add 1(1
or 2 mm2
for example (without mm) if you cannot understand this. For a more thorough explanation, see this tutotial tutorial:V https://www.youtube.com/watch?v=kOxN4CHeBPQ