Completed initial CAD package guides, tweaked initial code import

app/web/src/helpers/cadPackages/jsCad/initialCode.jscad

@@ -0,0 +1,33 @@
+const jscad = require('@jscad/modeling')
+// https://openjscad.xyz/docs/module-modeling_primitives.html
+const { cuboid, cylinder } = jscad.primitives
+
+const { rotate, translate } = jscad.transforms
+const { degToRad } = jscad.utils // because jscad uses radians for rotations
+// https://openjscad.xyz/docs/module-modeling_booleans.html
+const { subtract } = jscad.booleans
+
+function main({//@jscad-params
+    // Box example
+    width=40, // Width
+    length=20, // Length
+    height=10, // Height
+    hole=3,// Hole for cables diameter (0=no hole)
+    wall=1, // wall {min:0.5, step:0.5}
+    flip=0, // print orientation {type: 'choice', values: [0, 90, 180]}
+}){
+
+    let wallOffset = wall * 2
+    let model = subtract(
+        cuboid({size:[width, length, height]}),
+        translate([0,0,wall], cuboid({size:[width-wallOffset, length-wallOffset, height+wall]})),
+    )
+    if(hole){
+        model = subtract( model,
+            translate([width/2-wall/2], rotate([0, degToRad(90), 0 ], cylinder({radius:hole/2, height:wall})))
+        )
+    }
+    return rotate([degToRad(flip), 0, degToRad(90)], model)
+}
+
+module.exports = {main}