Improve rack-mount. Individual rack-mount systems are now organized in their own directories, with a standard entry.scad file.

rack-mount/tray/entry.scad

@@ -0,0 +1,55 @@
+use <./tray.scad>
+
+/*
+  Parametric rack-mount tray:
+  Dimensions can be adjusted using the variables below. You can also add mounting holes to fasten things that have
+  screw holes at the bottom.
+
+  !!! Please also make sure that the correct rack frame preset is set in rackFrame.scad !!!
+*/
+
+// begin config ////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+trayU = 2;
+
+baseWidth = 145;
+baseDepth = 100;
+
+baseThickness = 3; // tray bottom thickness
+frontThickness = 3; // front plate thickness
+sideThickness = 3;
+
+backLipHeight = 2;
+frontLipHeight = 2;
+
+sideSupport = true;
+trayLeftPadding = 10; // extra space between the left rail and tray. configure this to move the tray left/right.
+
+mountPointType = "m3";
+mountPointElevation = 1; // basically standoff height
+
+// add/config standoff coordinates here. Format is [[x,y]]
+mountPoints = [
+    [30,10],
+    [30+75,10],
+    [30,10+75],
+    [30+75,10+75],
+];
+// end config //////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+bottomScrewTray(
+  u=trayU,
+  trayWidth=baseWidth,
+  trayDepth=baseDepth,
+  trayThickness=baseThickness,
+  frontLipHeight=frontLipHeight,
+  backLipHeight=backLipHeight,
+  mountPoints=mountPoints,
+  frontThickness=frontThickness,
+  sideThickness=sideThickness,
+  mountPointElevation=mountPointElevation,
+  mountPointType=mountPointType,
+  sideSupport=sideSupport,
+  trayLeftPadding=trayLeftPadding
+);