1
Jelly, 83 bytes
surely still quite golfabale
7Ḷ⁶ẋ;€“\::\”“|:\”ṭṙ7
⁾()ẋ6⁷⁾|\8ØPæp”|⁷8RUR€µ“⁾ḅ|Za"~ṅỵþȷ^ṇ⁷Ċ’Dṁ;€”|ż@¢Y⁷ø⁶ẋ7“\__\|”
TryItOnline
How?
7Ḷ⁶ẋ;€“\::\”“|:\”ṭṙ7 - Link 1, left side padding and filling
7Ḷ - lowered range of 7 ([0,1,2,3,4,5,6])
“\::\” - f...