This is a full AH-64D CPG TEDAC replca for DCS world Simulation desing.The desing include all electronic parts nedded models (models only, not a accual parts, and with out elec. board).The TDU can house 7 inch screen (description pic attached) and button backlight for For illuminated buttons (with LED microswitch).For the backlight TDU buttons print with white material, paint with black and then gently sanding the writing for the white colore.I use it to play as a AH-64D CPG in DCSworld Simulation, It is fully operational.In order to connect the hand grips to the TDU a metal 21 mm diameter, length of 212 mm is needed.I wired and connect every thing to the computer by two ARDUINO micro.The item includes 43 STL files ai 3 ZIP files and 1 Parasolid file that includes all models (include all electronics part).For the handgrips white writing its recomended to print at layer hight of 0.15 mm or less, and after printing to paint with white market