diff --git a/case/README.md b/case/README.md
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--- /dev/null
+++ b/case/README.md
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+# ATTMapper Case
+
+The case uses 3 parts:
+
+- The Inner Frame, holding the ATTNode, GPS and OLED Module
+- Front Cover
+- Back Cover
+
+See pics/assembly* for some hints on how to assemble the frame part. This part is identical for both case variants.
+
+Front and Back Cover exist in two variants:
+
+- attmapper_battery_* for use with a small LiPo Battery (I use a 550mAH 20x35x8mm Cell)
+- attmapper_nobat_* for connecting a cable and mounting it in a car or similar with external power
\ No newline at end of file
diff --git a/case/attmapper_battery_back.stl b/case/attmapper_battery_back.stl
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diff --git a/case/attmapper_battery_front.stl b/case/attmapper_battery_front.stl
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diff --git a/case/attmapper_frame.stl b/case/attmapper_frame.stl
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diff --git a/case/attmapper_nobat_back.stl b/case/attmapper_nobat_back.stl
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diff --git a/case/attmapper_nobat_front.stl b/case/attmapper_nobat_front.stl
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diff --git a/case/openscad/attmapper.scad b/case/openscad/attmapper.scad
new file mode 100644
index 0000000..27719b4
--- /dev/null
+++ b/case/openscad/attmapper.scad
@@ -0,0 +1,80 @@
+use <libRoundedcube.scad>;
+
+$boardw=30.4;
+$boardh=37.3;
+$oledw=27.62;
+$oledh=27.80;
+$gpsh=20.4;
+$gpsw=6.25;
+$walls=1.6;
+
+$oledside=($boardw-$oledw)/2;
+
+module frame() {
+  union() {
+    difference() {
+      cube([$boardh+($walls*2),$boardw+($walls*2),11]);
+      translate([$walls,$walls,-0.1]) cube([$boardh,$boardw,1.8]);
+      translate([$walls+1,$walls+1,-0.1]) cube([$boardh-2,$boardw-2,8.2]);
+      translate([$walls+1,$walls+$oledside,9.1]) cube([$oledh,$oledw, 2]);
+      translate([$walls+4,$walls+$oledside,8]) cube([$oledh-6,$oledw, 4]);
+      translate([$walls+1,$walls+$oledside+3,8]) cube([$oledh+2,$oledw-6, 4]);
+      translate([$walls+$boardh-$gpsw,$walls+$boardw-$gpsh,1.6]) cube([$gpsw, $gpsh, 9]);
+      translate([-2,$walls+5.1,-0.1]) cube([10,6.6,6.6]);
+      translate([-0.1,$walls+$boardw-5.5,1.6]) cube([2.8,2,6.2]);
+      translate([$boardh,$walls*2,4]) cube([5,5,3]);
+    }
+    difference() {
+      translate([-3,$walls+$boardw-11,0.6]) cube([3,8.5,8]);
+      translate([-3.1,$walls+$boardw-10.15,1.55]) cube([3.1,6.7,6.3]);
+    }
+  }
+}
+
+module front() {
+  difference() {
+    union() {
+      roundedcube([$boardh+($walls*4)+24, $boardw+($walls*4), $walls+8], false, 2, "zmax", $fn=100);
+      difference() {
+        translate([$walls-1,$walls-1.05, -5]) roundedcube([$boardh+($walls*2)+26,$boardw+($walls*2)+2+0.1,5], false, 2, "zmin", $fn=100);
+        translate([$walls,$walls-0.125, -5.1]) cube([$boardh+($walls*2)+24,$boardw+($walls*2)+0.25,5.1]);
+      }
+    }
+    translate([$walls,$walls-0.125, -0.1]) cube([$boardh+($walls*2)+0.1,$boardw+($walls*2)+0.25,6]);
+    translate([$walls,$walls+2, -0.1]) cube([$boardh+($walls*2)+24,$boardw+($walls*2)-4,6]);
+    translate([($walls*2)+4.6,($walls*2)+$oledside,-0.1]) cube([$oledh-6,$oledw, 8]);
+    translate([($walls*2)+10.6,($walls*2)+$oledside,-0.1]) cube([$oledh-13.5,$oledw, 10]);
+    translate([($walls*2)+1.6,($walls*2)+$oledside+3,-0.1]) cube([$oledh,$oledw-6, 8]);
+    translate([-0.1,$walls+$boardw-9.2,-5.36]) cube([3,8.5,9.6]);
+    translate([-0.1,($walls*2)+9,-2.6]) rotate([0,90,0]) cylinder(5, 2.85, 2.85, $fn=100);
+    translate([-0.5,($walls*2)+9-2.85,-2.6]) rotate([0,90,0]) cube([6, 2.85*2, 5]);
+    translate([$boardh+25,$walls+2, 1.3]) union() {
+      cube([5,20,4.6]);
+      translate([2.8,5.8,0]) cube([10,8.5,3.6]);
+    }
+    translate([$boardh+24-($walls*2)-0.5,$boardw-5,2.1]) union() {
+      translate([0,0,0]) cube([8.6,10,3.8]);
+      translate([2,2.3,1]) cube([4.6,10,1.8]);
+    }
+  }
+
+}
+
+
+module back() {
+  difference() {
+    roundedcube([$boardh+($walls*4)+24, $boardw+($walls*4), 11], false, 2, "zmin", $fn=100);
+    translate([$walls-0.95,$walls-1.1, 5.4]) roundedcube([$boardh+($walls*2)+25.9,$boardw+($walls*2)+2,7.7], false, 2, "zmax", $fn=100);
+    translate([$walls, ($walls*2)+1, 1.6]) cube([$boardh+($walls*3), $boardw-2, 9.4]);
+    translate([$boardh+($walls*3), $walls-0.125, 1.6]) cube([24, $boardw+($walls*2)+0.25, 9.4]);
+    translate([-0.5,($walls*2)+9,6.1]) rotate([0,90,0]) cylinder(5, 2.85, 2.85, $fn=100);
+    translate([-0.5,($walls*2)+9-2.85,12]) rotate([0,90,0]) cube([6, 2.85*2, 5]);
+    translate([-0.1,$walls+$boardw-9.3,6]) cube([3,9,9.6]);
+    translate([28.5,3.6,-1]) cube([14,8.5,13]);
+    
+  }
+}
+
+// rotate([180,0,0]) front();
+back();
+
diff --git a/case/openscad/attmapper_nobat.scad b/case/openscad/attmapper_nobat.scad
new file mode 100644
index 0000000..4e45fad
--- /dev/null
+++ b/case/openscad/attmapper_nobat.scad
@@ -0,0 +1,57 @@
+use <libRoundedcube.scad>;
+use <gopro_mounts.scad>;
+
+$boardw=30.4;
+$boardh=37.3;
+$oledw=27.62;
+$oledh=27.80;
+$gpsh=20.4;
+$gpsw=6.25;
+$walls=1.6;
+$fn=100;
+
+$oledside=($boardw-$oledw)/2;
+
+module front() {
+  difference() {
+    union() {
+      roundedcube([$boardh+($walls*4)+10, $boardw+($walls*4), $walls+8], false, 2, "zmax", $fn=100);
+      difference() {
+        translate([$walls-1,$walls-1.05, -5]) roundedcube([$boardh+($walls*2)+12,$boardw+($walls*2)+2+0.1,5], false, 2, "zmin", $fn=100);
+        translate([$walls,$walls-0.125, -5.1]) cube([$boardh+($walls*2)+10,$boardw+($walls*2)+0.25,5.1]);
+      }
+    }
+    translate([$walls,$walls-0.125, -0.1]) cube([$boardh+($walls*2)+0.1,$boardw+($walls*2)+0.25,6]);
+    translate([$walls,$walls+2, -0.1]) cube([$boardh+($walls*2)+10,$boardw+($walls*2)-4,6]);
+    translate([($walls*2)+4.6,($walls*2)+$oledside,-0.1]) cube([$oledh-6,$oledw, 8]);
+    translate([($walls*2)+10.6,($walls*2)+$oledside,-0.1]) cube([$oledh-13.5,$oledw, 10]);
+    translate([($walls*2)+1.6,($walls*2)+$oledside+3,-0.1]) cube([$oledh,$oledw-6, 8]);
+    translate([-0.1,$walls+$boardw-9.2,-5.36]) cube([3,8.5,9.6]);
+    translate([-0.1,($walls*2)+9,-2.6]) rotate([0,90,0]) cylinder(5, 2.85, 2.85, $fn=100);
+    translate([-0.5,($walls*2)+9-2.85,-2.6]) rotate([0,90,0]) cube([6, 2.85*2, 5]);
+    translate([$boardh+($walls*4)+5,($boardw+($walls*4))/2,3]) rotate([0,90,0]) cylinder(10, 2, 2, $fn=100);
+  }
+
+}
+
+
+module back() {
+  difference() {
+    union() {
+      roundedcube([$boardh+($walls*4)+10, $boardw+($walls*4), 11], false, 2, "zmin", $fn=100);
+      rotate([90,0,0]) translate([$boardh+7, -11+3.4, -($boardw+($walls*4))/2]) gopro_connector("double");
+    }
+    translate([$walls-0.95,$walls-1.1, 5.4]) roundedcube([$boardh+($walls*2)+11.9,$boardw+($walls*2)+2,7.7], false, 2, "zmax", $fn=100);
+    translate([$walls, ($walls*2)+1, 1.6]) cube([$boardh+($walls*3), $boardw-2, 9.4]);
+    translate([$boardh+($walls*3), $walls-0.125, 3.2]) cube([10, $boardw+($walls*2)+0.25, 9.4]);
+    translate([-0.5,($walls*2)+9,6.1]) rotate([0,90,0]) cylinder(5, 2.85, 2.85, $fn=100);
+    translate([-0.5,($walls*2)+9-2.85,12]) rotate([0,90,0]) cube([6, 2.85*2, 5]);
+    translate([-0.1,$walls+$boardw-9.3,6]) cube([3,9,9.6]);
+    // translate([28.5,3.6,-1]) cube([14,8.5,13]); // Programming Port
+  }
+  
+}
+
+translate([0,-10,9.6]) rotate([180,0,0]) front();
+// rotate([180,0,0]) back();
+
diff --git a/case/openscad/gopro_mounts.scad b/case/openscad/gopro_mounts.scad
new file mode 100644
index 0000000..300478e
--- /dev/null
+++ b/case/openscad/gopro_mounts.scad
@@ -0,0 +1,520 @@
+
+/* [Main] */
+
+// First head kind ("example" show them all but is not printable)
+gopro_primary="example"; // [example,triple,double]
+// The other head kind (only for the triple or double primary kind)
+gopro_secondary_what="triple"; // [double,triple,rod,clamp,none]
+// If ever you rotate the seconday head you will probably need to enable support to print it
+gopro_secondary_rotated=0; // [0:false,1:true]
+
+// Optional axis-to-axis extension rod (hence, it cannot be less than 20.7)
+gopro_ext_len=50;
+// The wall thickness of the extension rod (2 to 6mm are good values)
+gopro_ext_th=3;
+
+/* [Rod and captive nut] */
+
+// This tab is useful only if you have selected "rod" as the secondary head. The optional rod diameter (also the captive nut internal diameter)
+gopro_captive_rod_id= 3.8;
+// The angle the rod makes with the axis (0 is colinear, 90 is a right angle)
+gopro_captive_rod_angle= 45; // [0:90]
+// Optional captive nut thickness with freeplay (tightest would be 3.2)
+gopro_rod_nut_th= 3.6;
+// Optional captive nut diameter with freeplay (from corner to corner)
+gopro_rod_nut_od= 8.05;
+// How much is the protruding output of the rod on the rod attachment (can be zero), useful if you don't want a captive nut with still a tight coupling
+gopro_captive_protruding_h= 0.5;
+
+/* [Clamp/bar mount] */
+
+// This tab is useful only if you have selected "clamp" as the secondary head.  The optional (handle)bar diameter
+gopro_bar_rod_d= 31;
+// How thick is the ring around the bar
+gopro_bar_th= 3.2;
+// How big is the gap between the jaws
+gopro_bar_gap= 2.4;
+// The jaw screw diameter
+gopro_bar_screw_d= 3;
+// The diameter of the head of the screw
+gopro_bar_screw_head_d= 6.2;
+// The diameter of the nut of the screw from corner to corner (can be zero)
+gopro_bar_screw_nut_d= 6.01;
+// How thick are the shoulders on which to bolt (each side)
+gopro_bar_screw_shoulder_th=4.5;
+// Whether to reverse the bolt orientation (from which side you will screw the bolt, defaut is from the joint)
+gopro_bar_screw_reversed=false; // [true,false]
+
+/* [Hidden] */
+
+// The gopro connector itself (you most probably do not want to change this but for the first two)
+
+// The locking nut on the gopro mount triple arm mount (keep it tight)
+gopro_nut_d= 9.2;
+// How deep is this nut embossing (keep it small to avoid over-overhangs)
+gopro_nut_h= 2;
+// Hole diameter for the two-arm mount part
+gopro_holed_two= 5;
+// Hole diameter for the three-arm mount part
+gopro_holed_three= 5.5;
+// Thickness of the internal arm in the 3-arm mount part
+gopro_connector_th3_middle= 3.1;
+// Thickness of the side arms in the 3-arm mount part
+gopro_connector_th3_side= 2.7;
+// Thickness of the arms in the 2-arm mount part
+gopro_connector_th2= 3.04;
+// The gap in the 3-arm mount part for the two-arm
+gopro_connector_gap= 3.1;
+// How round are the 2 and 3-arm parts
+gopro_connector_roundness= 1;
+// How thick are the mount walls
+gopro_wall_th= 3;
+
+gopro_connector_wall_tol=0.5+0;
+gopro_tol=0.04+0;
+
+// Can be queried from the outside
+gopro_connector_z= 2*gopro_connector_th3_side+gopro_connector_th3_middle+2*gopro_connector_gap;
+gopro_connector_x= gopro_connector_z;
+gopro_connector_y= gopro_connector_z/2+gopro_wall_th;
+
+///////////////////////////////////////////////////////////////////////
+//
+// GoPro Hero mount and joint (gopro_mounts_mooncactus.scad) - Rev 1.03
+//
+///////////////////////////////////////////////////////////////////////
+//
+// CC-BY-NC 2013 jeremie.francois@gmail.com
+// http://www.thingiverse.com/thing:62800
+// http://betterprinter.blogspot.com
+//
+
+// It slices neatly on an ultimaker with the following parameters
+//
+// 0.1 mm layers (for better look & more compact FDM) -- 0.15 is still OK (and faster)
+// 0.8 mm walls (loops->infill->perimeters)
+// 0.8 mm bottom/top
+// 100% fill (probably safer, though 30% is quite OK)
+//
+// Rev 1.01: fixed printing angle vs captive nut slot, added a slight freeplay
+// Rev 1.02: added handle/bar mount and rounded the angles of the rod mount
+// Rec 1.03: examples and first release (20130317-1234)
+
+/* ****************************************************************
+
+HOW TO USE IN YOUR OWN DESIGNS
+
+use <gopro_mounts_mooncactus.scad>
+
+// Create a "triple" gopro connector
+gopro_connector("triple");
+
+// Create a "triple" gopro connector without the locking nut shape
+translate([30,0,0])
+	gopro_connector("triple", withnut=false);
+
+// Create a "double" gopro connector
+translate([60,0,0])
+	gopro_connector("double");
+
+// Add a bar mount/clamp to one of the connector
+translate([90,0,0])
+gopro_bar_clamp(
+	rod_d= 31, // rod diameter
+	th= 3.2, // main thickness
+	gap= 2.4, // space between the clamps
+	screw_d= 3, // screw diameter
+	screw_head_d= 6.2, // screw head diameter
+	screw_nut_d= 6.01, // nut diameter from corner to corner
+	screw_shoulder_th=4.5, // thickness of the shoulder on which the nut clamps
+	screw_reversed=false	 // true to mirror the orientation of the clamp bolts
+);
+
+// Extends a connector with a mount for a rod and an optional embedded nut
+translate([120,0,0])
+gopro_rod_connect(
+	rod_id=3.8, // rod diameter
+	angle=80,  // rod angle (0 is straight, 90 is a right turn)
+	nut_th=3.2, // embedded nut thickness (can be zero to disable the embedded nut)
+	nut_od=7.9 // nut diameter from corner to corner
+);
+
+// How to build a linear extruded bar extender
+translate([0,65,0])
+{
+	gopro_connector("double");
+	gopro_extended(len=50, th=3)
+		scale([1,-1,1])
+				gopro_connector("triple");
+}
+
+// The following dimensions are useful to attach the mount to your design:
+	gopro_connector_z= 14.7;
+	gopro_connector_x= 14.7;
+	gopro_connector_y= 10.35;
+
+
+// Finally, note that the arm are designed in a way which is not the best orientation to print: you would better rotate them with, eg. rotate([0,90,0])
+
+**************************************************************** */
+
+
+
+// To generate the sample set in bash, just copy/paste the following in a terminal:
+/*
+for kind in double triple; do
+	for angle in 30 80; do
+		through=true
+		[[ $angle == 0 ]] && through=false
+		openscad -D print_it=true -D gopro_primary="\"$kind\"" -D gopro_captive_rod_angle=$angle -o gmb_${kind}_${angle}.stl gopro_mount_bit.scad
+	done
+	openscad -D print_it=true -D gopro_primary="\"$kind\"" -D gopro_rod_nut_th=0 -o gmb_${kind}_simple.stl gopro_mount_bit.scad
+done
+*/
+
+
+//
+// ================ Full (colored) example (for openscad & command line)
+//
+gopro_ext_len_real= (gopro_ext_len > 2*gopro_connector_y ? gopro_ext_len : 0);
+if(gopro_primary=="example")
+{
+	gopro_connector("triple", withnut=true);
+	
+	color([1,0.2,0.2])
+		gopro_bar_clamp(
+			rod_d= gopro_bar_rod_d, th=gopro_bar_th, gap=gopro_bar_gap,
+			screw_d= gopro_bar_screw_d, screw_head_d= gopro_bar_screw_head_d, screw_nut_d= gopro_bar_screw_nut_d, screw_shoulder_th= gopro_bar_screw_shoulder_th,
+			screw_reversed= gopro_bar_screw_reversed	);
+			
+	rotate([0,180,130]) color([0.2,0.2,1])
+		gopro_connector("double");
+		
+	rotate([0,180,130]) color([0,0.8,0])
+		gopro_rod_connect(nut_th=gopro_rod_nut_th, nut_od=gopro_rod_nut_od, rod_id=gopro_captive_rod_id, angle=gopro_captive_rod_angle);
+
+	translate([-35,-10,0]) color([0.6,0.6,0.6])
+	rotate([0,0,10])
+	{
+		gopro_connector("double");
+		gopro_extended(len=gopro_ext_len, th=gopro_ext_th)
+		{
+			scale([1,-1,1])	gopro_connector("triple");
+			// or (eg.)
+//			translate([0,-2*gopro_connector_y,0]) gopro_bar_clamp(rod_d= 20, th= 5, gap= 5, screw_d= 3, screw_head_d= 6.2, screw_nut_d= 6.01, screw_shoulder_th=4.5, screw_reversed=true);
+		}
+	}
+}
+else // useful blocks
+{
+	//
+	// ================ Printable standalone blocks (for the customizer)
+	//
+	rotate([0,90,0])
+	{
+		if(gopro_primary=="triple")
+			gopro_connector("triple", withnut=true);
+		else
+			gopro_connector("double");
+
+		gopro_extended(len=gopro_ext_len_real, th=gopro_ext_th) {}
+		translate([0,gopro_ext_len_real>0 ? gopro_ext_len_real-gopro_connector_y*2 : 0,0])
+		{
+			rotate([0,gopro_secondary_rotated?-90:0,0])
+			if(gopro_secondary_what=="double" || gopro_secondary_what=="triple")
+			{
+				translate([0,gopro_connector_y*2,0])
+					scale([1,-1,1])
+				if(gopro_secondary_what=="triple")
+					gopro_connector("triple", withnut=true);
+				else if(gopro_secondary_what=="double")
+					gopro_connector("double");
+			}
+			else if(gopro_secondary_what=="rod" && gopro_captive_rod_id>0) // Optional captive nut
+			{
+				gopro_rod_connect(nut_th=gopro_rod_nut_th, nut_od=gopro_rod_nut_od, rod_id=gopro_captive_rod_id, angle=gopro_captive_rod_angle);
+			}
+			else if(gopro_secondary_what=="clamp" && gopro_bar_rod_d>0) // Optional bar mount (can't be both!)
+			{
+				rotate([0,90,0])
+					gopro_bar_clamp(
+						rod_d= gopro_bar_rod_d,
+						th= gopro_bar_th,
+						gap= gopro_bar_gap,
+						screw_d= gopro_bar_screw_d,
+						screw_head_d= gopro_bar_screw_head_d,
+						screw_nut_d= gopro_bar_screw_nut_d,
+						screw_shoulder_th= gopro_bar_screw_shoulder_th,
+						screw_reversed= gopro_bar_screw_reversed
+					);
+			}
+		}
+	}
+}
+
+
+
+//
+// ============================= GOPRO CONNECTOR =============================
+//
+
+module gopro_torus(r,rnd)
+{
+	translate([0,0,rnd/2])
+		rotate_extrude(convexity= 10)
+			translate([r-rnd/2, 0, 0])
+				circle(r= rnd/2, $fs=0.2);
+}
+
+module gopro_rcyl(r,h, centered, rnd=1)
+{
+	translate([0,0,center ? -h/2 : 0])
+	hull() {
+		translate([0,0,0]) gopro_torus(r=r, rnd=rnd);
+		translate([0,0,h-rnd]) gopro_torus(r=r, rnd=rnd);
+	}
+}
+
+module gopro_connector(version="double", withnut=true, captive_nut_th=0, captive_nut_od=0, captive_rod_id=0, captive_nut_angle=0)
+{
+	module gopro_profile(th)
+	{
+		hull()
+		{
+			gopro_torus(r=gopro_connector_z/2, rnd=gopro_connector_roundness);
+			translate([0,0,th-gopro_connector_roundness])
+				gopro_torus(r=gopro_connector_z/2, rnd=gopro_connector_roundness);
+			translate([-gopro_connector_z/2,gopro_connector_z/2,0])
+				cube([gopro_connector_z,gopro_wall_th,th]);
+		}
+	}
+	difference()
+	{
+		union()
+		{
+			if(version=="double")
+			{
+				for(mz=[-1:2:+1]) scale([1,1,mz])
+						translate([0,0,gopro_connector_th3_middle/2 + (gopro_connector_gap-gopro_connector_th2)/2]) gopro_profile(gopro_connector_th2);
+			}
+			if(version=="triple")
+			{
+				translate([0,0,-gopro_connector_th3_middle/2]) gopro_profile(gopro_connector_th3_middle);
+				for(mz=[-1:2:+1]) scale([1,1,mz])
+					translate([0,0,gopro_connector_th3_middle/2 + gopro_connector_gap]) gopro_profile(gopro_connector_th3_side);
+			}
+
+			// add the common wall
+			translate([0,gopro_connector_z/2+gopro_wall_th/2+gopro_connector_wall_tol,0])
+				cube([gopro_connector_z,gopro_wall_th,gopro_connector_z], center=true);
+
+			// add the optional nut emboss
+			if(version=="triple" && withnut)
+			{
+				translate([0,0,gopro_connector_z/2-gopro_tol])
+				difference()
+				{
+					cylinder(r1=gopro_connector_z/2-gopro_connector_roundness/2, r2=11.5/2, h=gopro_nut_h+gopro_tol);
+					cylinder(r=gopro_nut_d/2, h=gopro_connector_z/2+3.5+gopro_tol, $fn=6);
+				}
+			}
+		}
+		// remove the axis
+		translate([0,0,-gopro_tol])
+			cylinder(r=(version=="double" ? gopro_holed_two : gopro_holed_three)/2, h=gopro_connector_z+4*gopro_tol, center=true, $fs=1);
+	}
+}
+
+//
+// ============================= CAPTIVE NUT/ROD =============================
+//
+
+module gopro_rod_connect(nut_od, rod_id, nut_th, angle=0)
+{
+	if( (nut_th>0 && nut_od>0) || rod_id>0 )
+	translate([0,gopro_connector_z,0])
+	{
+		difference()
+		{
+			// Main body mass
+			difference()
+			{
+				hull()
+				{
+					translate([0,-gopro_connector_z/2+gopro_wall_th,0]) // attachment
+						cube([gopro_connector_z,gopro_tol,gopro_connector_z], center=true);
+
+					// main cylinder
+					translate([gopro_connector_z/8,gopro_connector_z/4,0]) scale([0.75,0.5,1]) // optional
+					gopro_rcyl(r=gopro_connector_z/2, h=gopro_connector_z, center=true, rnd=3);
+
+					// nozzle
+					rotate([0,0,angle])
+						translate([0,gopro_connector_z/2-gopro_tol,0])
+							rotate([-90,0,0])
+							{
+								hull()
+								{
+									translate([0,0,-1.5]) gopro_torus(r=gopro_connector_z/2, rnd=1.5);
+									translate([0,0,gopro_captive_protruding_h-1])
+									gopro_torus(r=nut_od/2, rnd=1);
+								}
+							}
+				}
+
+				// Captive nut slot
+				if(nut_th>0 && nut_od>0)
+				{
+					translate([0,0,0])
+						rotate([0,(angle<18)?180:0,angle]) // easier print only for small angles
+							hull()
+					{
+						rotate([-90,0,0]) cylinder(r=nut_od/2, h=nut_th+2*gopro_tol, $fn=6, center=true);
+						translate([gopro_connector_z,0,0])
+							rotate([-90,0,0]) cylinder(r=nut_od/2, h=nut_th+2*gopro_tol, $fn=6, center=true);
+					}
+				}
+			}
+
+			// Carve the rod void
+			if(rod_id>0)
+			{
+				rotate([0,0,angle])
+				{
+					if(angle>=80 || angle<=-80)
+						rotate([-90,30,0])
+							cylinder(r=rod_id/2, h=gopro_connector_z+2*gopro_captive_protruding_h+2*gopro_tol, $fs=0.2, center=true);
+					else
+						translate([0,gopro_wall_th+gopro_tol*2-nut_th/2,0])
+							rotate([-90,30,0])
+							cylinder(r=rod_id/2, h=gopro_connector_z/2+gopro_captive_protruding_h+gopro_tol, $fs=0.2);
+				}
+			}
+		}
+	}
+}
+
+//
+// ============================= BAR CLAMP =============================
+//
+
+module gopro_bar_clamp(
+	rod_d= 31,
+	th= 3.2,
+	gap= 2.4,
+	screw_d= 3,
+	screw_head_d= 6.2,
+	screw_nut_d= 6.01,
+	screw_shoulder_th=4.5,
+	screw_reversed=1
+	)
+{
+	module clamp_profile(r)
+	{
+		scale([r,r,1])
+			translate([0,rod_d/2,0])
+				cylinder(r=rod_d/2 + th,h=gopro_tol);
+	}
+	
+	screw_x= rod_d/2+screw_head_d/2;
+	translate([0,gopro_connector_z,0])
+	difference()
+	{
+		hull()
+		{
+			translate([0,-gopro_connector_z/2+gopro_wall_th,0]) // attachment
+				cube([gopro_connector_z,gopro_tol,gopro_connector_z], center=true);
+
+			clamp_profile(1);
+			for(m=[-1:2:+1]) scale([1,1,m])
+				translate([0,0,-gopro_connector_z/2])
+					clamp_profile((rod_d-0.8)/rod_d);
+
+			// Shoulder screw support
+			for(m=[-1:2:+1]) scale([m,1,1])
+			{
+				translate([screw_x,rod_d/2,gopro_tol/2])
+					rotate([90,0,0])
+						translate([0,0,-(gap+th*2)/2])
+							cylinder(r=screw_head_d/2+0.78,h=gap+th*2);
+			}
+			
+		}
+
+		translate([0,rod_d/2,0])
+		{
+			// Main hole and gap
+			translate([0,0,-gopro_tol-gopro_connector_z/2])
+				cylinder(r=rod_d/2,h=gopro_connector_z+2*gopro_tol, $fs=1); // inner
+				
+			// Gap
+			cube([screw_x*2 + screw_head_d*2, gap, gopro_connector_z+2*gopro_tol+1],center=true);
+
+			// Screws
+			for(mx=[-1:2:+1]) scale([mx,1,1])
+			{
+				translate([screw_x,0,0]) rotate([90,0,0])
+				{
+						translate([0,0,-rod_d/2-screw_shoulder_th]) cylinder(r=screw_d/2,h=rod_d+2*screw_shoulder_th,$fs=0.5); // screw axis
+						if(screw_head_d>0)
+							scale([1,1,screw_reversed?-1:1])
+								translate([0,0,gap/2+screw_shoulder_th])
+									cylinder(
+										r1=screw_head_d/2,
+										r2=1.5*screw_head_d/2,
+										h=rod_d/2,$fs=0.5); // screw head
+						if(screw_nut_d>0)
+							scale([1,1,screw_reversed?1:-1])
+								translate([0,0,gap/2+screw_shoulder_th])
+									rotate([0,0,30])
+										cylinder(
+											r1=screw_nut_d/2,
+											r2=1.5*screw_nut_d/2,
+											h=rod_d/2,$fn=6); // screw nut
+				}
+			}
+
+		}
+	}
+}
+
+
+module gopro_extended(len, th=3)
+{
+	linlen= len - 2*gopro_connector_y;
+	if(linlen>0)
+	{
+		translate([0,gopro_connector_y,0])
+		{
+			rotate([90,0,0])
+				translate([0,0,-linlen/2])
+					linear_extrude(height = linlen, center = true, convexity = 10)
+			{
+				for(r=[45:90:360]) rotate([0,0,r])
+					hull()
+					{
+						// corners
+						translate([sqrt(2)*(gopro_connector_x/2-th/2),0,0])
+						{
+							intersection()
+							{
+								rotate([0,0,45]) square([th,th],center=true);
+								circle(r=1.2*th/2,$fs=0.5);
+							}
+						}
+						circle(r=th/2);
+					}
+					// Internal roundness
+					difference()
+					{
+						square([th*2,th*2],center=true);
+						for(r=[0:90:360]) rotate([0,0,r])
+							translate([0,th*sqrt(2)]) circle(r=th/2,$fs=0.5);
+					}
+			}
+			translate([0,linlen+gopro_connector_y,0])
+				child(0);
+		}
+	}
+}
+
diff --git a/case/openscad/libRoundedcube.scad b/case/openscad/libRoundedcube.scad
new file mode 100644
index 0000000..165ee08
--- /dev/null
+++ b/case/openscad/libRoundedcube.scad
@@ -0,0 +1,58 @@
+module roundedcube(size = [1, 1, 1], center = false, radius = 0.5, apply_to = "all") {
+	// If single value, convert to [x, y, z] vector
+	size = (size[0] == undef) ? [size, size, size] : size;
+
+	translate_min = radius;
+	translate_xmax = size[0] - radius;
+	translate_ymax = size[1] - radius;
+	translate_zmax = size[2] - radius;
+
+	diameter = radius * 2;
+
+	module build_point(type = "sphere", rotate = [0, 0, 0]) {
+		if (type == "sphere") {
+			sphere(r = radius);
+		} else if (type == "cylinder") {
+			rotate(a = rotate)
+			cylinder(h = diameter, r = radius, center = true);
+		}
+	}
+
+	obj_translate = (center == false) ?
+		[0, 0, 0] : [
+			-(size[0] / 2),
+			-(size[1] / 2),
+			-(size[2] / 2)
+		];
+
+	translate(v = obj_translate) {
+		hull() {
+			for (translate_x = [translate_min, translate_xmax]) {
+				x_at = (translate_x == translate_min) ? "min" : "max";
+				for (translate_y = [translate_min, translate_ymax]) {
+					y_at = (translate_y == translate_min) ? "min" : "max";
+					for (translate_z = [translate_min, translate_zmax]) {
+						z_at = (translate_z == translate_min) ? "min" : "max";
+
+						translate(v = [translate_x, translate_y, translate_z])
+						if (
+							(apply_to == "all") ||
+							(apply_to == "xmin" && x_at == "min") || (apply_to == "xmax" && x_at == "max") ||
+							(apply_to == "ymin" && y_at == "min") || (apply_to == "ymax" && y_at == "max") ||
+							(apply_to == "zmin" && z_at == "min") || (apply_to == "zmax" && z_at == "max")
+						) {
+							build_point("sphere");
+						} else {
+							rotate = 
+								(apply_to == "xmin" || apply_to == "xmax" || apply_to == "x") ? [0, 90, 0] : (
+								(apply_to == "ymin" || apply_to == "ymax" || apply_to == "y") ? [90, 90, 0] :
+								[0, 0, 0]
+							);
+							build_point("cylinder", rotate);
+						}
+					}
+				}
+			}
+		}
+	}
+}
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