When the object is placed on a non-flat axis, it's very hard to align it perfectly by eye
alignEdge is a tool to help align objects to the closest edge and snap to face normal.
map hotkey and combine it with instanDrag and spinNInty, it is so easy to place objects on a surface.
instanDrag + alginEdge + spinNinty became one of my favourite tools in 2022.
copy and paste the entire code to Maya script editor (Python) then run.
for people who like to upgrade/add script to polygonLab menu
simple download the file "without" version number and copy it into polygonLab.
the script is for personal or/and commercial work whether you are a freelance artist or working in the studio.
please don't distribute/share, change the script or reuse the script code to make your own script.
any bugs please email me firstname.lastname@example.org