The only log I have that is meaningful is the line on my previous comment.
Here's the blockstate, the obj part is only the second bit.
{
"multipart": [
{ "when": { "center": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core" }
},
{
"apply": { "model": "brassnsteam:block/pipes/attachments/pipe_core_valve.obj" }
},
{ "when": { "north": true, "south": true, "east": false, "west": false,"up": false, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_straight" }
},
{ "when": { "north": false, "south": false, "east": true, "west": true,"up": false, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_straight" , "y": 90 }
},
{ "when": { "north": false, "south": false, "east": false, "west": false,"up": true, "down": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_straight" , "x": 270 }
},
{ "when": { "north": true, "south": false, "east": true, "west": false, "up": false, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" },
"_comment" : "NE"
},
{ "when": { "north": true, "south": false, "east": false, "west": true, "up": false, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "y": 270 },
"_comment" : "NW"
},
{ "when": { "north": true, "south": false, "east": false, "west": false, "up": true, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 270, "y": 270 },
"_comment" : "NU"
},
{ "when": { "north": true, "south": false, "east": false, "west": false, "up": false, "down": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 90, "y": 270 },
"_comment" : "ND"
},
{ "when": { "north": false, "south": true, "east": true, "west": false,"up": false, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "y": 90 },
"_comment" : "SE"
},
{ "when": { "north": false, "south": true, "east": false, "west": true, "up": false, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "y": 180 },
"_comment" : "SW"
},
{ "when": { "north": false, "south": true, "east": false, "west": false,"up": true, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 270, "y": 90 },
"_comment" : "SU"
},
{ "when": { "north": false, "south": true, "east": false, "west": false,"up": false, "down": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 90, "y": 90 },
"_comment" : "SD"
},
{ "when": { "north": false, "south": false, "east": true, "west": false,"up": true, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 270 },
"_comment" : "EU"
},
{ "when": { "north": false, "south": false, "east": true, "west": false,"up": false, "down": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 90 },
"_comment" : "ED"
},
{ "when": { "north": false, "south": false, "east": false, "west": true,"up": true, "down": false },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 270, "y": 180 },
"_comment" : "WU"
},
{ "when": { "north": false, "south": false, "east": false, "west": true,"up": false, "down": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_core_corner" , "x": 90, "y": 180 },
"_comment" : "WD"
},
{ "when": { "north": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_side" }
},
{ "when": { "east": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_side", "y": 90 }
},
{ "when": { "south": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_side", "y": 180 }
},
{ "when": { "west": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_side", "y": 270 }
},
{ "when": { "up": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_side", "x": 270 }
},
{ "when": { "down": true },
"apply": { "model": "brassnsteam:block/pipes/iron/pipe_side", "x": 90 }
}
]
}
Not sure what you mean by posting the model since its an obj, but heres its location: (rightmost file)