मानसार शिल्पशास्त्र (प्रसन्ना कुमार आचार्य - प्राचीन भारतीय स्थापत्य, नगर-नियोजन व मूर्ति-शिल्प महाकोश)

त्र = न्नवत्रान्वितम्!
Let's transcribe it faithfully as: कारयेन्नवत्रान्वितम् (or कारयेन्नक्त्रान्वितम्). Looking at it, "कारयेन्नवत्रान्वितम्" is the most direct representation.

Wait, line 22:
पट्टिकोष्ठ(शं) or पट्टिकोश(शं)?
Letter before paren:
प - ट्टि - क - ो - ष्ठ
Wait, is it ष्ठ or ष?
It has a loop with a diagonal, and something below? No, it's 'ष' with an anusvara?
Wait, look at: पट्टिकोश(शं) or पट्टिकोष्ठ(शं)?
There is a 'ष' or 'श'? It has 'ष' with '्' and 'ठ' below it: ष्ठ!
Wait, let's look at the parenthesis: (शं). If the text has 'कोष्ठ', why would the variant be '(शं)'?
Because "पट्टिकोशं" vs "पट्टिकोष्ठं"! Kosa vs Koshtha!
So the text had "पट्टिकोष्ठ(शं)" or "पट्टिकोष(शं)"!
Wait, in line 22: "पट्टिकोष्ठ(शं)" or "पट्टिकोष(शं)"? Look at the letter: it's definitely ष्ठ or ष. Let's write "