Using modern slides like Blumotion drawers slide effortlessly and even retract in the carcass. Hand made dovetail drawers require great precision to attain as good a feel. So starting with the carcass dimension and allowing for over scribe etc. is difficult. A sloppy drawer "racks " in its carcass . If the fit is tight , but not too tight and the contact surfaces are small in contact area the piston fit that we all hope for can be achieved . I have used NK style drawers to accomplish this and there are some draw backs.
With the system I use here the drawer is made to the carcass and 3/16" hardwood glides are set in dados. I used Paduk for the bottom and maple for the sides to avoid marking due to wood coloration. The guides are planned untill the drawer just slides nicely in the cavity. It is easy to fine tune by hand planing using a block plane. A little Renaissance Wax and you won't believe the feel! A friend came by and tried it... "Well its not Blumotion, I think its "Jewmotion". Regardless of your preferences, you may want to try this technique and my patents are not pending
These will be night stands . The wood is walnut and currently is not final planed or finished. The dovetails are right off the saw so I apologize , I will post it when its done. In the first photo you can see the close tolerances since the carcass back is removed