diff --git a/hjklbox/hjklbox b/hjklbox/hjklbox
index 5ac2c4b..fd52318 100755
Binary files a/hjklbox/hjklbox and b/hjklbox/hjklbox differ
diff --git a/hjklbox/main.go b/hjklbox/main.go
index 049b35a..f4139ab 100644
--- a/hjklbox/main.go
+++ b/hjklbox/main.go
@@ -14,8 +14,8 @@ func main() {
 	bottom := bottom()
 	render.RenderDXF(hjkl, 300, "hjkl.dxf")
 	render.RenderDXF(sdf.Difference2D(buttons, buttonMounts), 300, "buttons.dxf")
+	render.RenderSTLSlow(top, 1200, "top.stl")
 	render.RenderSTLSlow(bottom, 1200, "bottom.stl")
 	render.RenderSTLSlow(plate, 1200, "plate.stl")
-	render.RenderSTLSlow(top, 1200, "top.stl")
 
 }
diff --git a/hjklbox/plate.go b/hjklbox/plate.go
index f500cef..aa9f63a 100644
--- a/hjklbox/plate.go
+++ b/hjklbox/plate.go
@@ -3,14 +3,17 @@ package main
 import "github.com/deadsy/sdfx/sdf"
 
 const (
-	PLATE_THICKNESS   = 2.825
-	TOP_THICKNESS     = 3.175 // 1/8th inch for possible thin acrylic top
-	BOTTOM_THICKNESS  = 16 - PLATE_THICKNESS - TOP_THICKNESS
-	PLATE_WIDTH       = 218
-	PLATE_HEIGHT      = 130
-	TOLERANCE         = 8
-	CABLE_HEAD_HEIGHT = 6
-	CABLE_HEAD_WIDTH  = 10
+	PLATE_THICKNESS             = 2.825
+	TOP_THICKNESS               = 3.175 // 1/8th inch for possible thin acrylic top
+	BOTTOM_THICKNESS            = 16 - PLATE_THICKNESS - TOP_THICKNESS
+	PLATE_WIDTH                 = 218
+	PLATE_HEIGHT                = 130
+	TOLERANCE                   = 8
+	CABLE_HEAD_HEIGHT           = 6
+	CABLE_HEAD_WIDTH            = 10
+	USB_DAUGHTERBOARD_HEIGHT    = 12.6
+	USB_DAUGHTERBOARD_LENGTH    = 21.4
+	USB_DAUGHTERBOARD_THICKNESS = 4.7 // includes usb jack
 )
 
 func plate() sdf.SDF3 {
@@ -39,7 +42,9 @@ func plate() sdf.SDF3 {
 
 func top() sdf.SDF3 {
 	top2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
-	hjkl := hjkl()
+	hjkl := buttonRow()
+	hjkl = sdf.Box2D(sdf.V2{X: hjkl.BoundingBox().Max.X*2 + 2, Y: hjkl.BoundingBox().Max.Y*2 + 2}, 1)
+	hjkl = sdf.Transform2D(hjkl, sdf.Rotate2d(sdf.DtoR(30)))
 	hjkl = sdf.Transform2D(hjkl, sdf.Translate2d(sdf.V2{X: top2D.BoundingBox().Max.X / 2, Y: top2D.BoundingBox().Max.Y / 6}))
 	top2D = sdf.Difference2D(top2D, hjkl)
 
@@ -48,9 +53,12 @@ func top() sdf.SDF3 {
 	top2D = sdf.Difference2D(top2D, buttons)
 
 	buttonRow := buttonRow()
+	buttonRow = sdf.Box2D(sdf.V2{X: buttonRow.BoundingBox().Max.X*2 + 2, Y: buttonRow.BoundingBox().Max.Y*2 + 2}, 1)
 	buttonRow = sdf.Transform2D(buttonRow, sdf.Translate2d(sdf.V2{X: top2D.BoundingBox().Max.X / 2, Y: top2D.BoundingBox().Max.Y / 1.25}))
 	top2D = sdf.Difference2D(top2D, buttonRow)
 
+	//	hjkl := buttonRow
+
 	corners := cornerHoles(top2D, screwHole())
 	top2D = sdf.Difference2D(top2D, corners)
 
@@ -70,8 +78,19 @@ func bottom() sdf.SDF3 {
 	cornerScrews := cornerHoles(bottom2D, screwHole())
 	bottom2D = sdf.Union2D(bottom2D, cornerScrewHolders)
 	bottom2D = sdf.Difference2D(bottom2D, cornerScrews)
+	cavity2D = sdf.Difference2D(cavity2D, cornerScrewHolders)
 
-	peg, _ := sdf.Circle2D(2.4 / 2) // M2 screw
+	pegHole, _ := sdf.Circle2D(2.4 / 2) // M2 screw
+	pegHoles := make([]sdf.SDF2, 4)
+	for i := range pegHoles {
+		pegHoles[i] = pegHole
+	}
+	pegHoles[0] = sdf.Transform2D(pegHoles[0], sdf.Translate2d(sdf.V2{X: 48.26 / 2, Y: 11.4 / 2}))   //pico mounting hole spacing
+	pegHoles[1] = sdf.Transform2D(pegHoles[1], sdf.Translate2d(sdf.V2{X: 48.26 / 2, Y: -11.4 / 2}))  //pico mounting hole spacing
+	pegHoles[2] = sdf.Transform2D(pegHoles[2], sdf.Translate2d(sdf.V2{X: -48.26 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
+	pegHoles[3] = sdf.Transform2D(pegHoles[3], sdf.Translate2d(sdf.V2{X: -48.26 / 2, Y: 11.4 / 2}))  //pico mounting hole spacing
+
+	peg, _ := sdf.Circle2D(2.4) // M2 screw
 	pegs := make([]sdf.SDF2, 4)
 	for i := range pegs {
 		pegs[i] = peg
@@ -80,13 +99,41 @@ func bottom() sdf.SDF3 {
 	pegs[1] = sdf.Transform2D(pegs[1], sdf.Translate2d(sdf.V2{X: 48.26 / 2, Y: -11.4 / 2}))  //pico mounting hole spacing
 	pegs[2] = sdf.Transform2D(pegs[2], sdf.Translate2d(sdf.V2{X: -48.26 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
 	pegs[3] = sdf.Transform2D(pegs[3], sdf.Translate2d(sdf.V2{X: -48.26 / 2, Y: 11.4 / 2}))  //pico mounting hole spacing
-	mount := sdf.Union2D(pegs...)
-	mount = sdf.Transform2D(mount, sdf.Translate2d(sdf.V2{X: bottom2D.BoundingBox().Max.X / 2, Y: -bottom2D.BoundingBox().Max.X / 3}))
-	bottom2D = sdf.Union2D(bottom2D, mount)
+
+	mount2D := sdf.Union2D(pegs...)
+	mountingHoles2D := sdf.Union2D(pegHoles...)
+	mount2D = sdf.Difference2D(mount2D, mountingHoles2D)
+	mount2D = sdf.Transform2D(mount2D, sdf.Translate2d(sdf.V2{X: bottom2D.BoundingBox().Max.X / 2, Y: -bottom2D.BoundingBox().Max.X / 3}))
+	mount := sdf.Extrude3D(mount2D, 4) // M2x4mm screw holes
+	//	bottom2D = sdf.Union2D(bottom2D, mount)
+
 	bottom := sdf.Extrude3D(bottom2D, BOTTOM_THICKNESS)
+	bottom = sdf.Union3D(bottom, mount)
+
+	cavity2D = sdf.Elongate2D(cavity2D, sdf.V2{X: 1, Y: 1})
 	floor := sdf.Extrude3D(cavity2D, PLATE_THICKNESS)
-	floor = sdf.Transform3D(floor, sdf.Translate3d(sdf.V3{X: 0, Y: 0, Z: -(bottom.BoundingBox().Max.Z/2 + floor.BoundingBox().Max.Z/2)}))
-	return sdf.Union3D(bottom, floor)
+	floor = sdf.Transform3D(floor, sdf.Translate3d(sdf.V3{X: 0, Y: 0, Z: -(bottom.BoundingBox().Max.Z*2+floor.BoundingBox().Max.Z*2)/4 - 0.50}))
+	bottom = sdf.Union3D(bottom, floor)
+
+	cableHole2D := sdf.Box2D(sdf.V2{X: CABLE_HEAD_WIDTH, Y: CABLE_HEAD_HEIGHT}, 0)
+	cableHole := sdf.Extrude3D(cableHole2D, TOLERANCE)
+	cableHole = sdf.Transform3D(cableHole, sdf.RotateX(sdf.DtoR(90)))
+	cableHole = sdf.Transform3D(cableHole, sdf.Translate3d(sdf.V3{X: 0, Y: (bottom.BoundingBox().Max.Y + cableHole.BoundingBox().Max.Y) - cableHole.BoundingBox().Max.Y*2, Z: cableHole.BoundingBox().Max.Z / 3}))
+	bottom = sdf.Difference3D(bottom, cableHole)
+
+	usbCutout, _ := sdf.Box3D(sdf.V3{X: USB_DAUGHTERBOARD_LENGTH, Y: USB_DAUGHTERBOARD_HEIGHT, Z: USB_DAUGHTERBOARD_THICKNESS}, 0)
+	usbCutout = sdf.Transform3D(usbCutout, sdf.Translate3d(sdf.V3{X: 0, Y: (floor.BoundingBox().Max.Y + usbCutout.BoundingBox().Max.Y) - usbCutout.BoundingBox().Max.Y*2 + 2.6, Z: 0})) // 5 for m3x5 screw
+	bottom = sdf.Difference3D(bottom, usbCutout)
+	/*
+		usbCutoutPeg2D, _ := sdf.Circle2D(3 / 2)           // m3 hole
+		usbCutoutPeg := sdf.Extrude3D(usbCutoutPeg2D, 1.5) // thickness of daughtboard pcb
+
+		usbCutoutPeg = sdf.Transform3D(usbCutoutPeg, sdf.Translate3d(sdf.V3{X: 7.7, Y: (floor.BoundingBox().Max.Y + usbCutoutPeg.BoundingBox().Max.Y) - usbCutoutPeg.BoundingBox().Max.Y*2, Z: -usbCutoutPeg.BoundingBox().Max.Z * 2}))
+		usbCutoutPeg2 := sdf.Transform3D(usbCutoutPeg, sdf.Translate3d(sdf.V3{X: -15.4, Y: 0, Z: 0}))
+
+		bottom = sdf.Union3D(bottom, usbCutoutPeg, usbCutoutPeg2)
+	*/
+	return bottom
 }
 
 func cornerHoles(input, hole sdf.SDF2) sdf.SDF2 {