Dear PVsyst, As the subject stated, I noticed misalignment of the shading model imported from Helios3D. The whole shading objects are shifted to the right. The problem/bug only persists on PVsyst version 6.7 and 6.7.2, while Version 6.6.8 or earlier don't have this such issue. Please refer to images below for your reference. Helios3D, AutoCAD: https://thumb.ibb.co/gLBQGJ/helios_LSE2.png PVsyst 6.7.2: https://thumb.ibb.co/g8dEbJ/pvsyst_LSE2.png PVsyst 6.6.8: https://thumb.ibb.co/hT2J3y/pvsyst6_6_8_LSE2.png Look forward to the next update for the fix. Thank you.