Natyashastra
चतुस्तम्भसमायुक्ता रङ्गपीठप्रमाणतः । अध्यर्धहस्तोत्सेधेन कर्तव्या मत्तवारणी ॥ ६४॥
The stage, connected with four pillars, should be constructed according to the standard measurements. An elephant (mattavarani) should be placed beside it, with the height equal to that of a half-arm's length.
english translation
catustambhasamAyuktA raGgapIThapramANataH । adhyardhahastotsedhena kartavyA mattavAraNI ॥ 64॥
hk transliteration by Sanscript