3rd storey: chapel 3Sa'
This chapel adjoins the central temple on the S-side of the sKu ’bum. It is devoted to Vajrasattva and to the dPal mchog (Paramāditantra) cycle. W-wall (groundplan No. 1): rDo rje sems dpa’ (center), flanked by one red and the other blue. Tucci identifies them as rDo rje ki li ki la ya ma and rDo rje dran ma respectively. N-wall (groundplan No. 2): painting is dedicated to the ’Dod chags kyi gñen por rDo rje sems dpa’-dbugs dbyung ba’i dkyil ’khor, namely the maṇḍala of rDo rje sems dpa’ . The central deity is Vajrasattva. E-wall (groundplan No. 3): painted Yellow Vairocana. S-wall (ground plan No. 4): maṇḍala of Trailokyavijaya (Khams gsum rnam rgyal). The central deity is Vajrahūṃkāra in his wrathful manifestation. [Lo Bue and Ricca 1990, p. 248-258/Lo Bue and Ricca 1993, p. 267].