diff --git a/Hey! JKL/clusters.go b/Hey! JKL/clusters.go
new file mode 100644
index 0000000..6e6f9f6
--- /dev/null
+++ b/Hey! JKL/clusters.go	
@@ -0,0 +1,81 @@
+package main
+
+import (
+	"github.com/deadsy/sdfx/sdf"
+)
+
+const (
+	KEY_HOLE_SIZE   = 14.2
+	KEY_SPACING     = 4.8
+	BUTTON_DIAMETER = 24.0
+)
+
+func buttonRow() sdf.SDF2 {
+	keys := make([]sdf.SDF2, 4)
+	for i := range keys {
+		keys[i] = sdf.Box2D(sdf.V2{X: KEY_HOLE_SIZE, Y: KEY_HOLE_SIZE}, 0)
+		keys[i] = sdf.Transform2D(keys[i], sdf.Translate2d(sdf.V2{
+			X: (keys[0].BoundingBox().Max.X*2 + KEY_SPACING) * float64(i),
+			Y: 0}))
+	}
+	buttonRow := sdf.Union2D(keys...)
+	buttonRow = sdf.Transform2D(buttonRow, sdf.Translate2d(sdf.V2{
+		X: -((keys[0].BoundingBox().Max.X * 2.0) * float64(len(keys))) / 2,
+		Y: 0}))
+	return buttonRow
+}
+
+func hjkl() sdf.SDF2 {
+	buttonRow := buttonRow()
+	return sdf.Transform2D(buttonRow, sdf.Rotate2d(sdf.DtoR(30)))
+}
+
+func buttons() sdf.SDF2 {
+	buttons := make([]sdf.SDF2, 4)
+	for i := range buttons {
+		buttons[i], _ = sdf.Circle2D(BUTTON_DIAMETER / 2)
+		buttons[i] = sdf.Transform2D(buttons[i], sdf.Translate2d(sdf.V2{
+			X: (buttons[0].BoundingBox().Max.X*2 + KEY_SPACING) * float64(i),
+			Y: 0}))
+	}
+	buttons[len(buttons)-1] = sdf.Transform2D(buttons[len(buttons)-1], sdf.Translate2d(sdf.V2{
+		X: 0,
+		Y: -buttons[len(buttons)-1].BoundingBox().Max.Y}))
+	topRow := sdf.Union2D(buttons...)
+	bottomRow := sdf.Transform2D(topRow, sdf.Translate2d(sdf.V2{
+		X: 0,
+		Y: -(topRow.BoundingBox().Max.Y*2 + KEY_SPACING)}))
+	rows := sdf.Union2D(topRow, bottomRow)
+	rows = sdf.Transform2D(rows, sdf.Translate2d(sdf.V2{
+		X: -(buttons[0].BoundingBox().Max.X*8 - KEY_SPACING*2) / 2,
+		Y: topRow.BoundingBox().Max.Y + KEY_SPACING/2}))
+	return rows
+}
+
+func buttonMounts() sdf.SDF2 {
+	buttons := make([]sdf.SDF2, 4)
+	mounts := make([]sdf.SDF2, 4)
+	for i := range buttons {
+		buttons[i], _ = sdf.Circle2D(BUTTON_DIAMETER / 2)
+		mounts[i] = sdf.Box2D(sdf.V2{X: KEY_HOLE_SIZE, Y: KEY_HOLE_SIZE}, 0)
+		buttons[i] = sdf.Transform2D(buttons[i], sdf.Translate2d(sdf.V2{
+			X: (buttons[0].BoundingBox().Max.X*2 + KEY_SPACING) * float64(i),
+			Y: 0}))
+		mounts[i] = sdf.Transform2D(mounts[i], sdf.Translate2d(sdf.V2{
+			X: (buttons[0].BoundingBox().Max.X*2 + KEY_SPACING) * float64(i),
+			Y: 0}))
+	}
+	mounts[len(mounts)-1] = sdf.Transform2D(mounts[len(mounts)-1], sdf.Translate2d(sdf.V2{
+		X: 0,
+		Y: -buttons[len(buttons)-1].BoundingBox().Max.Y}))
+	topRow := sdf.Union2D(buttons...)
+	topRowMounts := sdf.Union2D(mounts...)
+	bottomRowMounts := sdf.Transform2D(topRowMounts, sdf.Translate2d(sdf.V2{
+		X: 0,
+		Y: -(topRow.BoundingBox().Max.Y*2 + KEY_SPACING)}))
+	rows := sdf.Union2D(topRowMounts, bottomRowMounts)
+	rows = sdf.Transform2D(rows, sdf.Translate2d(sdf.V2{
+		X: -(buttons[0].BoundingBox().Max.X*8 - KEY_SPACING*2) / 2,
+		Y: topRow.BoundingBox().Max.Y + KEY_SPACING/2}))
+	return rows
+}
diff --git a/Hey! JKL/go.mod b/Hey! JKL/go.mod
new file mode 100644
index 0000000..5670600
--- /dev/null
+++ b/Hey! JKL/go.mod	
@@ -0,0 +1,14 @@
+module git.jade.moe/oct2pus/arcade/hjklbox
+
+go 1.18
+
+require github.com/deadsy/sdfx v0.0.0-20220508165057-718104295925
+
+require (
+	github.com/ajstarks/svgo v0.0.0-20200725142600-7a3c8b57fecb // indirect
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
+	github.com/llgcode/draw2d v0.0.0-20200930101115-bfaf5d914d1e // indirect
+	github.com/yofu/dxf v0.0.0-20190710012328-5a6d1e83f16c // indirect
+	golang.org/x/image v0.0.0-20210216034530-4410531fe030 // indirect
+	gonum.org/v1/gonum v0.9.3 // indirect
+)
diff --git a/Hey! JKL/go.sum b/Hey! JKL/go.sum
new file mode 100644
index 0000000..1e3789a
--- /dev/null
+++ b/Hey! JKL/go.sum	
@@ -0,0 +1,90 @@
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
+github.com/ajstarks/svgo v0.0.0-20200725142600-7a3c8b57fecb h1:EVl3FJLQCzSbgBezKo/1A4ADnJ4mtJZ0RvnNzDJ44nY=
+github.com/ajstarks/svgo v0.0.0-20200725142600-7a3c8b57fecb/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
+github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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+github.com/deadsy/sdfx v0.0.0-20220508165057-718104295925/go.mod h1:bjsFZRp7zdb9m29hIDXPN/V5H/AkjJ1AIr5iBuj7FcI=
+github.com/dhconnelly/rtreego v1.1.0/go.mod h1:SDozu0Fjy17XH1svEXJgdYq8Tah6Zjfa/4Q33Z80+KM=
+github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
+github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
+github.com/go-fonts/dejavu v0.1.0/go.mod h1:4Wt4I4OU2Nq9asgDCteaAaWZOV24E+0/Pwo0gppep4g=
+github.com/go-fonts/latin-modern v0.2.0/go.mod h1:rQVLdDMK+mK1xscDwsqM5J8U2jrRa3T0ecnM9pNujks=
+github.com/go-fonts/liberation v0.1.1/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY=
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+github.com/go-latex/latex v0.0.0-20210118124228-b3d85cf34e07/go.mod h1:CO1AlKB2CSIqUrmQPqA0gdRIlnLEY0gK5JGjh37zN5U=
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+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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+gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
+gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
+gonum.org/v1/plot v0.9.0/go.mod h1:3Pcqqmp6RHvJI72kgb8fThyUnav364FOsdDo2aGW5lY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
diff --git a/Hey! JKL/hjklbox b/Hey! JKL/hjklbox
new file mode 100755
index 0000000..226c0ac
Binary files /dev/null and b/Hey! JKL/hjklbox differ
diff --git a/Hey! JKL/keycap.go b/Hey! JKL/keycap.go
new file mode 100644
index 0000000..a365b48
--- /dev/null
+++ b/Hey! JKL/keycap.go	
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"github.com/deadsy/sdfx/sdf"
+	v2 "github.com/deadsy/sdfx/vec/v2"
+)
+
+// keycap makes a choc switch cap for use with the HJKL and start/select cluster
+func keycap() sdf.SDF3 {
+	keycapTop2D := sdf.Box2D(sdf.V2{X: 13, Y: 13}, 1)
+
+	keycapBottom2D := sdf.Box2D(sdf.V2{X: 14, Y: 14}, 1)
+	keycapBottom2D = sdf.Difference2D(keycapBottom2D, keycapTop2D)
+
+	keycapBottom := sdf.Extrude3D(keycapBottom2D, 1)
+	keycapBottom = sdf.Transform3D(keycapBottom, sdf.Translate3d(sdf.V3{X: 0, Y: 0, Z: 1}))
+	keycap := sdf.ScaleExtrude3D(keycapTop2D, 1, v2.Vec{X: 1.0775, Y: 1.0775})
+	keycap = sdf.Union3D(keycap, keycapBottom)
+
+	stem2D := sdf.Box2D(sdf.V2{X: 1.2, Y: 3}, 0)
+	stems := make([]sdf.SDF3, 2)
+	for i := range stems {
+		stems[i] = sdf.Extrude3D(stem2D, 4)
+		stems[i] = sdf.Transform3D(stems[i], sdf.Translate3d(sdf.V3{X: 2.85, Y: 0, Z: 2}))
+	}
+	stems[1] = sdf.Transform3D(stems[1], sdf.MirrorYZ())
+
+	keycap = sdf.Union3D(keycap, sdf.Union3D(stems...))
+
+	return keycap
+}
diff --git a/Hey! JKL/main.go b/Hey! JKL/main.go
new file mode 100644
index 0000000..4509da7
--- /dev/null
+++ b/Hey! JKL/main.go	
@@ -0,0 +1,14 @@
+package main
+
+import (
+	"github.com/deadsy/sdfx/render"
+	"github.com/deadsy/sdfx/render/dc"
+)
+
+func main() {
+	render.ToSTL(keycap(), 400, "keycap.stl", dc.NewDualContouringDefault())
+	render.ToSTL(walls(), 400, "walls.stl", dc.NewDualContouringDefault())
+	render.ToSTL(bottom(), 400, "bottom.stl", dc.NewDualContouringDefault())
+	render.ToSTL(top(), 400, "top.stl", dc.NewDualContouringDefault())
+	render.ToSTL(plate(), 400, "plate.stl", dc.NewDualContouringDefault())
+}
diff --git a/Hey! JKL/plate.go b/Hey! JKL/plate.go
new file mode 100644
index 0000000..3996fe3
--- /dev/null
+++ b/Hey! JKL/plate.go	
@@ -0,0 +1,173 @@
+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            = 20 - PLATE_THICKNESS - TOP_THICKNESS
+	PLATE_WIDTH                 = 218.0
+	PLATE_HEIGHT                = 130.0
+	TOLERANCE                   = 8.0
+	CABLE_HEAD_HEIGHT           = 6.0
+	CABLE_HEAD_WIDTH            = 10.0
+	USB_DAUGHTERBOARD_HEIGHT    = 12.6
+	USB_DAUGHTERBOARD_LENGTH    = 21.4
+	USB_DAUGHTERBOARD_THICKNESS = 4.7 // includes usb jack
+	USB_CONNECTOR_LENGTH        = 8.8 // 1.1mm sticks out from daughterboard
+	USB_CONNECTOR_HEIGHT        = 7.2
+	USB_CONNECTOR_THICKNESS     = 3.2
+	PICO_PEG_HEIGHT             = 4.0
+)
+
+func plate() sdf.SDF3 {
+	plate2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
+
+	hjkl := hjkl()
+	hjkl = sdf.Transform2D(hjkl, sdf.Translate2d(sdf.V2{X: plate2D.BoundingBox().Max.X / 2, Y: plate2D.BoundingBox().Max.Y / 6}))
+	plate2D = sdf.Difference2D(plate2D, hjkl)
+
+	buttonMounts := buttonMounts()
+	buttonMounts = sdf.Transform2D(buttonMounts, sdf.Translate2d(sdf.V2{X: -plate2D.BoundingBox().Max.X / 2.5, Y: plate2D.BoundingBox().Max.Y / 3}))
+	plate2D = sdf.Difference2D(plate2D, buttonMounts)
+
+	buttonRow := buttonRow()
+	buttonRow = sdf.Transform2D(buttonRow, sdf.Translate2d(sdf.V2{X: plate2D.BoundingBox().Max.X / 2, Y: plate2D.BoundingBox().Max.Y / 1.25}))
+	plate2D = sdf.Difference2D(plate2D, buttonRow)
+
+	corners := cornerHoles(plate2D, M4screwHole())
+	plate2D = sdf.Difference2D(plate2D, corners)
+
+	length := lengthHoles(plate2D, M3ScrewHole())
+	plate2D = sdf.Difference2D(plate2D, length)
+
+	return sdf.Extrude3D(plate2D, PLATE_THICKNESS)
+}
+
+func top() sdf.SDF3 {
+	top2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
+
+	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)
+
+	buttons := buttons()
+	buttons = sdf.Transform2D(buttons, sdf.Translate2d(sdf.V2{X: -top2D.BoundingBox().Max.X / 2.5, Y: top2D.BoundingBox().Max.Y / 3}))
+	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)
+
+	corners := cornerHoles(top2D, M4screwHole())
+	top2D = sdf.Difference2D(top2D, corners)
+
+	length := lengthHoles(top2D, M3ScrewHole())
+	top2D = sdf.Difference2D(top2D, length)
+
+	return sdf.Extrude3D(top2D, TOP_THICKNESS)
+}
+
+func walls() sdf.SDF3 {
+	cavity2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH - TOLERANCE, Y: PLATE_HEIGHT - TOLERANCE}, 5)
+	walls2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
+	bottom2D := sdf.Difference2D(walls2D, cavity2D)
+
+	cornerScrewHolder, _ := sdf.Circle2D((M4_SCREW_HOLE_DIAMETER + 8) / 2)
+	cornerScrewHolders := cornerHoles(bottom2D, cornerScrewHolder)
+	cornerScrews := cornerHoles(bottom2D, M4screwHole())
+	bottom2D = sdf.Union2D(bottom2D, cornerScrewHolders)
+	bottom2D = sdf.Difference2D(bottom2D, cornerScrews)
+	cavity2D = sdf.Difference2D(cavity2D, cornerScrewHolders)
+	bottom := sdf.Extrude3D(bottom2D, BOTTOM_THICKNESS-PLATE_THICKNESS)
+
+	usbCutout, _ := sdf.Box3D(sdf.V3{X: USB_DAUGHTERBOARD_LENGTH + 0.4, Y: USB_DAUGHTERBOARD_HEIGHT + 0.4, Z: USB_DAUGHTERBOARD_THICKNESS + 3}, 0)
+	usbCutout = sdf.Transform3D(usbCutout, sdf.Translate3d(sdf.V3{X: 0, Y: (cavity2D.BoundingBox().Max.Y + usbCutout.BoundingBox().Max.Y) - usbCutout.BoundingBox().Max.Y*2 + 2.6, Z: -2})) // 5 for m3x5 screw
+	bottom = sdf.Difference3D(bottom, usbCutout)
+
+	usbPortHole, _ := sdf.Box3D(sdf.V3{X: USB_CONNECTOR_LENGTH + 0.5, Y: USB_CONNECTOR_HEIGHT + 0.5, Z: USB_CONNECTOR_THICKNESS + 0.5}, 0)
+	usbPortHole = sdf.Transform3D(usbPortHole, sdf.Translate3d(sdf.V3{X: 0, Y: PLATE_HEIGHT / 2, Z: -2})) // Z is thickness of board
+
+	bottom = sdf.Difference3D(bottom, usbPortHole)
+
+	return bottom
+}
+
+func bottom() sdf.SDF3 {
+	bottom2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
+	cornerScrewHolder, _ := sdf.Circle2D((M4_SCREW_HOLE_DIAMETER + 8) / 2)
+	cornerScrewHolders := cornerHoles(bottom2D, cornerScrewHolder)
+	cornerScrews := cornerHoles(bottom2D, M4screwHole())
+
+	bottom2D = sdf.Union2D(bottom2D, cornerScrewHolders)
+	bottom2D = sdf.Difference2D(bottom2D, cornerScrews)
+
+	usbCutoutPeg2D := M3ScrewHole()
+	usbCutoutPeg2D = sdf.Transform2D(usbCutoutPeg2D, sdf.Translate2d(sdf.V2{X: 8.3, Y: (bottom2D.BoundingBox().Max.Y + usbCutoutPeg2D.BoundingBox().Max.Y - 3.2) - usbCutoutPeg2D.BoundingBox().Max.Y*2}))
+	usbCutoutPeg2D = sdf.Union2D(usbCutoutPeg2D, sdf.Transform2D(usbCutoutPeg2D, sdf.Translate2d(sdf.V2{X: -16.6, Y: 0})))
+
+	bottom2D = sdf.Difference2D(bottom2D, usbCutoutPeg2D)
+
+	bottom := sdf.Extrude3D(bottom2D, PLATE_THICKNESS)
+	pegCount := 4
+	pegWall, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER)
+	pegHole, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER / 2)
+	pegHoles := make([]sdf.SDF2, pegCount)
+	pegWalls := make([]sdf.SDF2, pegCount)
+	pegs := make([]sdf.SDF3, pegCount)
+	for i := 0; i < pegCount; i++ {
+		pegHoles[i] = pegHole
+		pegWalls[i] = pegWall
+		pegs[i] = sdf.Extrude3D(sdf.Difference2D(pegWall, pegHole), PICO_PEG_HEIGHT)
+	}
+	pegs[0] = sdf.Transform3D(pegs[0], sdf.Translate3d(sdf.V3{X: 47.5 / 2, Y: 11.4 / 2, Z: 0})) // approximate spacing of pico holes
+	pegs[1] = sdf.Transform3D(pegs[1], sdf.Translate3d(sdf.V3{X: 47.5 / 2, Y: -11.4 / 2, Z: 0}))
+	pegs[2] = sdf.Transform3D(pegs[2], sdf.Translate3d(sdf.V3{X: -47.5 / 2, Y: -11.4 / 2, Z: 0}))
+	pegs[3] = sdf.Transform3D(pegs[3], sdf.Translate3d(sdf.V3{X: -47.5 / 2, Y: 11.4 / 2, Z: 0}))
+
+	picoMount := sdf.Union3D(pegs...)
+	picoMount = sdf.Transform3D(picoMount, sdf.Translate3d(sdf.V3{X: PLATE_WIDTH / 4, Y: -PLATE_HEIGHT / 3, Z: PLATE_THICKNESS}))
+
+	bottom = sdf.Union3D(bottom, picoMount)
+
+	return bottom
+}
+
+func cornerHoles(input, hole sdf.SDF2) sdf.SDF2 {
+	cornerHoles := make([]sdf.SDF2, 4)
+	for i := range cornerHoles {
+		cornerHoles[i] = hole
+	}
+	cornerHoles[0] = sdf.Transform2D(cornerHoles[0], sdf.Translate2d(sdf.V2{
+		X: input.BoundingBox().Max.X - TOLERANCE,
+		Y: input.BoundingBox().Max.Y - TOLERANCE}))
+	cornerHoles[1] = sdf.Transform2D(cornerHoles[1], sdf.Translate2d(sdf.V2{
+		X: -(input.BoundingBox().Max.X - TOLERANCE),
+		Y: input.BoundingBox().Max.Y - TOLERANCE}))
+	cornerHoles[2] = sdf.Transform2D(cornerHoles[2], sdf.Translate2d(sdf.V2{
+		X: -(input.BoundingBox().Max.X - TOLERANCE),
+		Y: -(input.BoundingBox().Max.Y - TOLERANCE)}))
+	cornerHoles[3] = sdf.Transform2D(cornerHoles[3], sdf.Translate2d(sdf.V2{
+		X: input.BoundingBox().Max.X - TOLERANCE,
+		Y: -(input.BoundingBox().Max.Y - TOLERANCE)}))
+
+	return sdf.Union2D(cornerHoles...)
+}
+
+func lengthHoles(input, hole sdf.SDF2) sdf.SDF2 {
+	cornerHoles := make([]sdf.SDF2, 2)
+	for i := range cornerHoles {
+		cornerHoles[i] = hole
+	}
+	cornerHoles[0] = sdf.Transform2D(cornerHoles[0], sdf.Translate2d(sdf.V2{
+		X: 0,
+		Y: input.BoundingBox().Max.Y - TOLERANCE}))
+	cornerHoles[1] = sdf.Transform2D(cornerHoles[1], sdf.Translate2d(sdf.V2{
+		X: 0,
+		Y: -(input.BoundingBox().Max.Y - TOLERANCE)}))
+
+	return sdf.Union2D(cornerHoles...)
+}
diff --git a/Hey! JKL/screw.go b/Hey! JKL/screw.go
new file mode 100644
index 0000000..6fd6c36
--- /dev/null
+++ b/Hey! JKL/screw.go	
@@ -0,0 +1,24 @@
+package main
+
+import "github.com/deadsy/sdfx/sdf"
+
+const (
+	M4_SCREW_HOLE_DIAMETER = 4 //m4 screw
+	M3_SCREW_HOLE_DIAMETER = 3 //m3 screw
+	M2_SCREW_HOLE_DIAMETER = 2 //m2 screw
+)
+
+func M4screwHole() sdf.SDF2 {
+	hole, _ := sdf.Circle2D(M4_SCREW_HOLE_DIAMETER / 2)
+	return hole
+}
+
+func M3ScrewHole() sdf.SDF2 {
+	hole, _ := sdf.Circle2D(M3_SCREW_HOLE_DIAMETER / 2)
+	return hole
+}
+
+func M2ScrewHole() sdf.SDF2 {
+	hole, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER / 2)
+	return hole
+}