diff --git a/arcade!shark/main.go b/arcade!shark/main.go
index b3997aa..c36b30f 100644
--- a/arcade!shark/main.go
+++ b/arcade!shark/main.go
@@ -115,8 +115,8 @@ func dPadAdapter() sdf.SDF3 {
 
 	screwHole, _ := sdf.Circle2D(3.5 / 2)
 	holes := sdf.Union2D(
-		sdf.Transform2D(screwHole, sdf.Translate2d(v2.Vec{X: base2D.BoundingBox().Max.X - screwHole.BoundingBox().Max.X - 9.1, Y: base2D.BoundingBox().Max.Y - screwHole.BoundingBox().Max.Y - 9.1})),
-		sdf.Transform2D(screwHole, sdf.Translate2d(v2.Vec{X: -base2D.BoundingBox().Max.X - (-screwHole.BoundingBox().Max.X) - (-9.1), Y: -base2D.BoundingBox().Max.Y - (-screwHole.BoundingBox().Max.Y) - (-9.1)})),
+		sdf.Transform2D(screwHole, sdf.Translate2d(v2.Vec{X: base2D.BoundingBox().Max.X - screwHole.BoundingBox().Max.X - 7.6, Y: base2D.BoundingBox().Max.Y - screwHole.BoundingBox().Max.Y - 7.6})),
+		sdf.Transform2D(screwHole, sdf.Translate2d(v2.Vec{X: -base2D.BoundingBox().Max.X - (-screwHole.BoundingBox().Max.X) - (-7.6), Y: -base2D.BoundingBox().Max.Y - (-screwHole.BoundingBox().Max.Y) - (-7.6)})),
 	)
 	base2D = sdf.Difference2D(base2D, holes)
 
diff --git a/f300-build/f300-build b/f300-build/f300-build
new file mode 100755
index 0000000..de168ba
Binary files /dev/null and b/f300-build/f300-build differ
diff --git a/f300-build/go.mod b/f300-build/go.mod
new file mode 100644
index 0000000..5d5fd63
--- /dev/null
+++ b/f300-build/go.mod
@@ -0,0 +1,13 @@
+module git.jade.moe/oct2pus/arcade/f300-build
+
+go 1.19
+
+require (
+	github.com/ajstarks/svgo v0.0.0-20200725142600-7a3c8b57fecb // indirect
+	github.com/deadsy/sdfx v0.0.0-20220508165057-718104295925 // 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/f300-build/go.sum b/f300-build/go.sum
new file mode 100644
index 0000000..49deea8
--- /dev/null
+++ b/f300-build/go.sum
@@ -0,0 +1,83 @@
+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/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/deadsy/sdfx v0.0.0-20220508165057-718104295925 h1:CvjyreOQIm7VeHt2U0mq6iP8J0ZcjiXoxpgzLcYNJwo=
+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=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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diff --git a/f300-build/main.go b/f300-build/main.go
new file mode 100644
index 0000000..39a2b63
--- /dev/null
+++ b/f300-build/main.go
@@ -0,0 +1,127 @@
+package main
+
+import (
+	"log"
+
+	"github.com/deadsy/sdfx/render"
+	"github.com/deadsy/sdfx/render/dc"
+	"github.com/deadsy/sdfx/sdf"
+	v2 "github.com/deadsy/sdfx/vec/v2"
+	v3 "github.com/deadsy/sdfx/vec/v3"
+)
+
+func main() {
+	render.ToSTL(screenCover(), 300, "screenCover.stl", dc.NewDualContouringDefault())
+	render.ToSTL(picoAdapter(), 300, "picoAdapter.stl", dc.NewDualContouringDefault())
+}
+
+func picoAdapter() sdf.SDF3 {
+	// body
+	base2D := sdf.Box2D(v2.Vec{X: 78.9, Y: 39.7}, 0)
+	hole2D, _ := sdf.Circle2D(4.9 / 2)
+
+	holes2D := make([]sdf.SDF2, 4)
+	holesXOffset, holesYOffset := 4.7, 3.8
+	holes2D[0] = sdf.Transform2D(hole2D, sdf.Translate2d(v2.Vec{X: base2D.BoundingBox().Max.X - holesXOffset, Y: base2D.BoundingBox().Max.Y - holesYOffset}))
+	holes2D[1] = sdf.Transform2D(hole2D, sdf.Translate2d(v2.Vec{X: -base2D.BoundingBox().Max.X - (-holesXOffset), Y: base2D.BoundingBox().Max.Y - holesYOffset}))
+	holes2D[2] = sdf.Transform2D(hole2D, sdf.Translate2d(v2.Vec{X: -base2D.BoundingBox().Max.X - (-holesXOffset), Y: -base2D.BoundingBox().Max.Y - (-holesYOffset)}))
+	holes2D[3] = sdf.Transform2D(hole2D, sdf.Translate2d(v2.Vec{X: base2D.BoundingBox().Max.X - holesXOffset, Y: -base2D.BoundingBox().Max.Y - (-holesYOffset)}))
+	screwHoles2D := sdf.Union2D(holes2D...)
+
+	base2D = sdf.Difference2D(base2D, screwHoles2D)
+
+	// pico pegs
+	m2Diameter := 2.0
+	innerCircle, _ := sdf.Circle2D(m2Diameter / 2)
+	outerCircle, _ := sdf.Circle2D(m2Diameter * 2 / 2)
+	peg2D := sdf.Difference2D(outerCircle, innerCircle)
+
+	pegs2D := make([]sdf.SDF2, 6)
+	pegsXDistance, pegsYDistance := 47.0, 11.40
+	pegs2D[0] = sdf.Transform2D(peg2D, sdf.Translate2d(v2.Vec{X: pegsXDistance / 2, Y: pegsYDistance / 2}))
+	pegs2D[1] = sdf.Transform2D(peg2D, sdf.Translate2d(v2.Vec{X: -pegsXDistance / 2, Y: pegsYDistance / 2}))
+	pegs2D[2] = sdf.Transform2D(peg2D, sdf.Translate2d(v2.Vec{X: -pegsXDistance / 2, Y: -pegsYDistance / 2}))
+	pegs2D[3] = sdf.Transform2D(peg2D, sdf.Translate2d(v2.Vec{X: pegsXDistance / 2, Y: -pegsYDistance / 2}))
+	mount2D := sdf.Union2D(pegs2D...)
+
+	// extrude
+	baseZ, pegsZ := 1.6, 3.0
+	base := sdf.Extrude3D(base2D, baseZ)
+	mount := sdf.Extrude3D(mount2D, pegsZ)
+	mount = sdf.Transform3D(mount, sdf.Translate3d(v3.Vec{X: 0, Y: 0, Z: baseZ/2 + pegsZ/2}))
+
+	return sdf.Union3D(base, mount)
+}
+
+func screenCover() sdf.SDF3 {
+	// cover
+	z := 2.2
+	holeX, holeY := 32.4, 19.2         // -0.2 for clearance
+	screenX, screenY := 23.744, 12.864 // screen V/A
+	holderOffsetX, holderOffsetY := 1.75, 2.0
+
+	hole := sdf.Box2D(v2.Vec{X: holeX, Y: holeY}, 0)
+	screen := sdf.Box2D(v2.Vec{X: screenX, Y: screenY}, 0)
+
+	body2D := sdf.Difference2D(hole, screen)
+
+	body := sdf.Extrude3D(body2D, z)
+
+	lrEdge2D := sdf.Box2D(v2.Vec{X: (holeX - screenX) / 1.5, Y: holeY - 1.4}, 1)
+	lrEdge := sdf.Extrude3D(lrEdge2D, z/2)
+	lrEdges := make([]sdf.SDF3, 2)
+	lrEdges[0] = sdf.Transform3D(lrEdge, sdf.Translate3d(v3.Vec{X: -holeX/2 - (-(holeX - screenX) / 6), Y: 1.4 / 2, Z: z / 2}))
+	lrEdges[1] = sdf.Transform3D(lrEdge, sdf.Translate3d(v3.Vec{X: holeX/2 - ((holeX - screenX) / 6), Y: 1.4 / 2, Z: z / 2}))
+
+	tbEdge2D := sdf.Box2D(v2.Vec{X: holeX, Y: (holeY - screenY) / 2}, 0)
+	tbEdge := sdf.Extrude3D(tbEdge2D, z/2)
+	tbEdges := make([]sdf.SDF3, 2)
+	tbEdges[0] = sdf.Transform3D(tbEdge, sdf.Translate3d(v3.Vec{X: 0, Y: -holeY/2 - (-(holeY - screenY) / 4), Z: z / 2}))
+	tbEdges[1] = sdf.Transform3D(tbEdge, sdf.Translate3d(v3.Vec{X: 0, Y: holeY/2 - ((holeY - screenY) / 4), Z: z / 2}))
+
+	body = sdf.Union3D(body, lrEdges[0], lrEdges[1], tbEdges[0], tbEdges[1])
+
+	body = sdf.Transform3D(body, sdf.RotateX(sdf.DtoR(180)))
+
+	// screen mounting
+
+	m2HoleDiameter := 2.0
+	PCBHoleX, PCBHoleY := 23.5, 23.8
+
+	m2Hole, _ := sdf.Circle2D(m2HoleDiameter / 2)
+
+	m2Holes := sdf.Union2D(
+		sdf.Transform2D(m2Hole, sdf.Translate2d(v2.Vec{X: PCBHoleX / 2, Y: PCBHoleY / 2})),
+		sdf.Transform2D(m2Hole, sdf.Translate2d(v2.Vec{X: PCBHoleX / 2, Y: -PCBHoleY / 2})),
+		sdf.Transform2D(m2Hole, sdf.Translate2d(v2.Vec{X: -PCBHoleX / 2, Y: -PCBHoleY / 2})),
+		sdf.Transform2D(m2Hole, sdf.Translate2d(v2.Vec{X: -PCBHoleX / 2, Y: PCBHoleY / 2})),
+	)
+	// screen mount pegs
+
+	m2PegFrame2D, _ := sdf.Circle2D(m2HoleDiameter)
+
+	m2PegFrames2D := sdf.Union2D(
+		sdf.Transform2D(m2PegFrame2D, sdf.Translate2d(v2.Vec{X: PCBHoleX / 2, Y: -PCBHoleY / 2})),
+		sdf.Transform2D(m2PegFrame2D, sdf.Translate2d(v2.Vec{X: -PCBHoleX / 2, Y: -PCBHoleY / 2})),
+	)
+	m2Pegs2D := sdf.Difference2D(m2PegFrames2D, m2Holes)
+	m2Pegs := sdf.Extrude3D(m2Pegs2D, z)
+	m2Pegs = sdf.Transform3D(m2Pegs, sdf.Translate3d(v3.Vec{X: 0, Y: 1.5, Z: z}))
+
+	body = sdf.Union3D(body, m2Pegs)
+
+	// peg attachers
+
+	pegHolder, err := sdf.Box3D(v3.Vec{X: 2, Y: holeY / 2, Z: z}, 0)
+	if err != nil {
+		log.Printf("Model error.\n")
+	}
+
+	pegHolders := sdf.Union3D(
+		sdf.Transform3D(pegHolder, sdf.Translate3d(v3.Vec{X: (holeX / 2) - holderOffsetX, Y: -holeY/2 + holderOffsetY, Z: z})),
+		sdf.Transform3D(pegHolder, sdf.Translate3d(v3.Vec{X: (-holeX / 2) - (-holderOffsetX), Y: -holeY/2 + holderOffsetY, Z: z})),
+	)
+
+	body = sdf.Union3D(body, pegHolders)
+	return body
+}