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    NodeMCU是集成了WiFI和MCU的小巧开发板，基于ESP8266芯片。论坛在http://bbs.nodemcu.com/，源码在https://github.com/nodemcu。

    使用OpenSCAD给它做了一个外壳，可以用3D打印机输出出来，就再也不用“裸奔”了。

OpenSCAD的原始模型文件如下，可以自行修改后在3D打印机上输出。

//NodeMCU智能设备，盒子，防雨淋型(垂直安装)
//Author:openthings@163.com，
//copyright 2015-2025.
//打印时注意比例变化，并且旋转向上。
//避免上部打印时无支撑塌陷。
//盖子单独打印，或放为两个模型。//常量定义
athick=0.5;	//盖子厚度
bthick=0.10;	//盒壁厚度
bwidth=4.0;	//内径净宽
bhight=1.5;	//内径净高blong_inter=5.5;//内径净长
//外径长度＝底厚＋内径＋挡格＋盖子厚度
blong=bthick+blong_inter+bthick+athick;//文字或图标标识
//translate([-2,0,0])
//scale([1, 1, 0.1])
//  surface(file = "smiley.png", center = true);//======================================
//盒子体，采用挖空切割方式造型。
difference() {//外盒translate([0,0,0]){	color([0.8,0.8,0.8])cube([blong,bwidth+bthick*2,bhight+bthick*2]);}//内盒，挖空。translate([bthick,bthick,bthick]){	color([0.2,0.8,0.8])cube([blong+1,bwidth,bhight]);}//底部，凹陷标识，可贴标签。translate([blong-2,1.8,bhight+bthick+0.08]){	color([0.6,0.6,0.6])cube([1.5,bwidth*0.5,0.1]);}
}//底部加强，在内部形成边角挡格。translate([bthick,bthick,bthick]){	color([0.2,0.5,0.2])cube([bthick,bwidth,bthick]);}translate([bthick,bthick,bhight]){	color([0.2,0.5,0.2])cube([bthick,bwidth,bthick]);}translate([bthick,bthick,bthick]){	color([0.2,0.5,0.2])cube([bthick,bthick,bhight]);}translate([bthick,bwidth,bthick]){	color([0.2,0.5,0.2])cube([bthick,bthick,bhight]);}//盖子挡格。translate([blong-athick,bthick,bthick]){	color([0.2,0.5,0.2])cube([bthick,bwidth,bthick]);}translate([blong-athick,bthick,bhight]){	color([0.2,0.5,0.2])cube([bthick,bwidth,bthick]);}//======================================
//盖子，单独打印。嵌入盒子内部，注意留公差。
translate([5.75,0.0,0]){
//translate([0,0,2]){
difference() {//盖子，挖空。translate([0,bthick,bthick]){	color([0.5,0.5,0.5])cube([athick-0.05,bwidth,bhight]);}translate([0.2,bthick*2,bthick*2]){	color([0.6,0.3,0.8])cube([athick+1,bwidth-bthick*2,bhight-bthick*2]);}//通风口，挖空。================//左侧出风口translate([-0.1,0.5,0.4]){	color([1,0.8,0.8])cube([0.8,0.3,0.9]);}translate([-0.1,1,0.4]){	color([1,0.8,0.8])cube([0.8,0.3,0.9]);}//右侧进风口translate([-0.1,3,0.4]){	color([1,0.8,0.8])cube([0.8,0.3,0.9]);}translate([-0.1,3.5,0.4]){	color([1,0.8,0.8])cube([0.8,0.3,0.9]);}//USB接口，挖空。translate([-0.1,1.75,1.0]){	color([1,0.8,0.8])cube([0.8,0.8,0.3]);}
}
}