// inner sizes in mm

width = 240.4; // inner size in mm

depth = 220.4; // inner size in mm

thickness = 3.5; // [>3.5] box thickness in mm

// top part 上盖

heightTOP = 22; // must be larger than 4 x thickness variable

// bottom part 下盖

heightBOT = 22+8+27; // must be greater than 7 x thickness variable

Delete this module

//module TOPinside(){

// fourSupport(FrontPanelScrewDia,heightTOP-FrontPanelEmbedmentDepthTop); // screw diameter, height

//}

//

//module BOTinside(){

// fourSupport(FrontPanelScrewDia,heightBOT-FrontPanelEmbedmentDepthBot); // screw diameter, height

//}