Based on my own experience, soldering often fails when the footprints are too small. Thus, I optimized the footprints to make them easier to access or keep distance from potential shorts.
WZR and HTMAA is a must!
Importing my gerber files to the Bantam tools. It consists of one profile file for the board's outline, and one copper top milling file.
While choosing the 1/32'' and 1/64'' end mills, we need to change the tools during the jobs.
Mobirise 
