Get all our apps in one Calculate Offsets, Rolling Offsets, Advanced Rolling Offsets, Offset with 90/45 Fittings, Flange 2-Hole Fitup, Custom Fittings and more. Generates in seconds: Complete app design with "New" portrait layout. Pipe Offset - 8 options in 1. Rolling Offset - 9 options in 1. Reducing Tee Offset - 8 Options in 1. Back 2 Back Odd Angle Fitting Calculation.