A tradisional capentery, TANGGAM is a way of fitting various components together in. Inspired by one of the China's Four Classic Toys - KONGMING LOCK.

JAC is build by three basic geometric shape interlocking each other to bring out the new building without using a single nails or glue. To ensure Minangkabau / N. 9 element is penetrate in the design, MORTISE & TENON JOINTS is use as the main concept of design to bring architecture back to the very origin. Zhuge Wen Chang ,the 5th generation descendant of Zhuge Liang is the custodian of this technique. 

The material choosen is native material which is wood to embody modernity of design while return to simplicity of material. 

The building has a total of three floor. Ground floor will be half public, half semipublic area, while first and second floor will be totally public n private area respectively. Entry lobby,reception area, exhibition area will be the at the main front part of the building, while at the center part which the building interlock, mini auditorium is design to be located at there to utterlise the slope as the auditorium sitting area which consume first & ground floor. For the side compartment of the building, there are 3 commercial lots which located at outdoor to ease ppl to dropby. 2nd floor office area will be totally reserve for staff & workers.

TANGGAM, look simple but contain boundless intricacies.