This mod is an addon for Ichun's 1.12.2 portal gun mod.
Features this mod brings:
-Weighted Storage Cube (can be picked up with portal gun)
-Companion Cube (can be picked up with portal gun)
-Dropper to despense cubes or items
-adds basic white panel block that portals can be placed on
-adds long fall boots to prevent ALL fall damage
-adds component checkmark, (basically a block to show if something is on or off)
-adds a fizzler to stop items and some entities from passing areas
-adds a tool that can break these block (they can't be broken without it)
These features will alow you to start your manditory duty as an Aperture employee to design and test using these addon blocks with or even without Ichun's portal gun mod.