Hello Unity,
The Void Entertainment Presents: VoidGrid#
Unlimited use! Package Includes 3 grids for all axis’s (Red, Blue, and Green), 2 Scripts (Only needed if making 3rd perspective game, simple to edit and add to/change), 3 example scenes explaining adjustments. You can adjust grids to fit your game perfectly. They can be used as templates to make sure your game no matter what type is perfectly set up, positioned, and scaled. The more grids the more perfect the design.
Package will be 10$
Link will be added here as soon as it is approved by Unity3d Asset Store! Should be up tomorrow! 
Let me know your opinions, reviews if purchased, and future ad-dons you would like!