mammut

BRTOPU   34.0    width above upper corner
BRTOPL   39.0    width below upper corner
BRTOPRAD 03.5    height covered by corner
BRBTMU   35.5
BRBTML   29.5
BRBTMRAD 03.0    height covered by corner
BRYVERT  19.0    vertical height
BRYDIAG  20.0    diagonal height
BRZ      03.0

BSX      05.0
BSY      17.0
BSZ      02.0

STX      30.0
STY      04.5
STZ      30.0
STCRAD   01.5    corner curve radius
STBSGAP  01.5    support rear <> seat rear
STLGGAP  00.5    leg edge <> seat edge

LGDIAMU  05.0
LGDIAML  08.5
LGDIAMF  05.5
LGYU     23.5
LGYFT    00.5

- - -

(SPOILER) ADDED INSTRUCTIONS:

- [Step 0] DO NOT move the center seat block.
- [Step 3] Ensure that the inlets are facing open side up.
- [Step 4] Fine-rotate the backrest such that it slants 5 degrees.