Modular Homes drywall 3Way

Modular assemblies are moved around in factories during transit and at install it's this movement that can cause cracks in completed drywall corners.
Cracking happens in tape joins and mud. 3Way Is one piece with finished surface for paint. Extra reinforcement for the drywall corner eliminates 3 way cracks.
Every inside corner will have consistent perfect sharp lines. Inconsistencies and Visible imperfections in angles occur when using different drywall finishers of varying skill levels who use different finishing methods.