Quick Caster Addon for Decals in Blender 2.8

This python script is a simple addon for quickly projecting image planes into surface decals. The function is based on the technique from this tutorial.

**Compatible with Blender 2.81a.

Instructions

1. Install the Addon file. 
   • Go to the Edit > Preferences and click the Addon section on the left.
   • Click on "Install" in the upper right and navigate to the directory where you downloaded the Addon file called "quickCaster.py"
   • Enable the addon by ticking the check mark on the right side of the addon entry.
2. Enable the Import Images As Planes Addon. 
   • While your in the addon preferences, search for "Import images as planes". It's included with official Blender.
   • Enable it.
3. Import images to become decals.
   • Go to File > Import > Images as Planes and select your desired decal image(s).
4. Align your images to the surface of the target model.
   • Images need to be positioned in a way that makes sense for projection.
   • Align them using the snapping tools (magnet icon), set to Face snapping and enable "Align rotation to target".
   • *Make sure the image is not intersecting with the target object. Move it away slightly if so.
5. Project image as decal
   • Select your target first, then SHIFT + click your decal.
   • Go to Object menu > QuickCast.
   • Done!