307 lines
15 KiB
Go
307 lines
15 KiB
Go
package main
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import "github.com/deadsy/sdfx/sdf"
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const (
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PLATE_THICKNESS = 2.825
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TOP_THICKNESS = 3.175 // 1/8th inch for possible thin acrylic top
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BOTTOM_THICKNESS = 20 - PLATE_THICKNESS - TOP_THICKNESS
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PLATE_WIDTH = 218
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PLATE_HEIGHT = 130
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TOLERANCE = 8
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CABLE_HEAD_HEIGHT = 6
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CABLE_HEAD_WIDTH = 10
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USB_DAUGHTERBOARD_HEIGHT = 12.6
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USB_DAUGHTERBOARD_LENGTH = 21.4
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USB_DAUGHTERBOARD_THICKNESS = 4.7 // includes usb jack
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USB_CONNECTOR_LENGTH = 8.8 // 1.1mm sticks out from daughterboard
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USB_CONNECTOR_HEIGHT = 7.2
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USB_CONNECTOR_THICKNESS = 3.2
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PICO_PEG_HEIGHT = 4.0
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)
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func plate() sdf.SDF3 {
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plate2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
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hjkl := hjkl()
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hjkl = sdf.Transform2D(hjkl, sdf.Translate2d(sdf.V2{X: plate2D.BoundingBox().Max.X / 2, Y: plate2D.BoundingBox().Max.Y / 6}))
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plate2D = sdf.Difference2D(plate2D, hjkl)
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buttonMounts := buttonMounts()
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buttonMounts = sdf.Transform2D(buttonMounts, sdf.Translate2d(sdf.V2{X: -plate2D.BoundingBox().Max.X / 2.5, Y: plate2D.BoundingBox().Max.Y / 3}))
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plate2D = sdf.Difference2D(plate2D, buttonMounts)
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buttonRow := buttonRow()
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buttonRow = sdf.Transform2D(buttonRow, sdf.Translate2d(sdf.V2{X: plate2D.BoundingBox().Max.X / 2, Y: plate2D.BoundingBox().Max.Y / 1.25}))
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plate2D = sdf.Difference2D(plate2D, buttonRow)
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corners := cornerHoles(plate2D, M4screwHole())
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plate2D = sdf.Difference2D(plate2D, corners)
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length := lengthHoles(plate2D, M3ScrewHole())
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plate2D = sdf.Difference2D(plate2D, length)
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return sdf.Extrude3D(plate2D, PLATE_THICKNESS)
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}
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func top() sdf.SDF3 {
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top2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
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hjkl := buttonRow()
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hjkl = sdf.Box2D(sdf.V2{X: hjkl.BoundingBox().Max.X*2 + 2, Y: hjkl.BoundingBox().Max.Y*2 + 2}, 1)
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hjkl = sdf.Transform2D(hjkl, sdf.Rotate2d(sdf.DtoR(30)))
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hjkl = sdf.Transform2D(hjkl, sdf.Translate2d(sdf.V2{X: top2D.BoundingBox().Max.X / 2, Y: top2D.BoundingBox().Max.Y / 6}))
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top2D = sdf.Difference2D(top2D, hjkl)
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buttons := buttons()
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buttons = sdf.Transform2D(buttons, sdf.Translate2d(sdf.V2{X: -top2D.BoundingBox().Max.X / 2.5, Y: top2D.BoundingBox().Max.Y / 3}))
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top2D = sdf.Difference2D(top2D, buttons)
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buttonRow := buttonRow()
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buttonRow = sdf.Box2D(sdf.V2{X: buttonRow.BoundingBox().Max.X*2 + 2, Y: buttonRow.BoundingBox().Max.Y*2 + 2}, 1)
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buttonRow = sdf.Transform2D(buttonRow, sdf.Translate2d(sdf.V2{X: top2D.BoundingBox().Max.X / 2, Y: top2D.BoundingBox().Max.Y / 1.25}))
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top2D = sdf.Difference2D(top2D, buttonRow)
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// hjkl := buttonRow
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corners := cornerHoles(top2D, M4screwHole())
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top2D = sdf.Difference2D(top2D, corners)
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length := lengthHoles(top2D, M3ScrewHole())
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top2D = sdf.Difference2D(top2D, length)
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return sdf.Extrude3D(top2D, TOP_THICKNESS)
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}
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func walls() sdf.SDF3 {
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cavity2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH - TOLERANCE, Y: PLATE_HEIGHT - TOLERANCE}, 5)
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walls2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
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bottom2D := sdf.Difference2D(walls2D, cavity2D)
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cornerScrewHolder, _ := sdf.Circle2D((M4_SCREW_HOLE_DIAMETER + 8) / 2)
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cornerScrewHolders := cornerHoles(bottom2D, cornerScrewHolder)
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cornerScrews := cornerHoles(bottom2D, M4screwHole())
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bottom2D = sdf.Union2D(bottom2D, cornerScrewHolders)
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bottom2D = sdf.Difference2D(bottom2D, cornerScrews)
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cavity2D = sdf.Difference2D(cavity2D, cornerScrewHolders)
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/*
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pegHole, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER / 2)
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pegHoles := make([]sdf.SDF2, PICO_PEG_HEIGHT)
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for i := range pegHoles {
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pegHoles[i] = pegHole
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}
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pegHoles[0] = sdf.Transform2D(pegHoles[0], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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pegHoles[1] = sdf.Transform2D(pegHoles[1], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegHoles[2] = sdf.Transform2D(pegHoles[2], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegHoles[3] = sdf.Transform2D(pegHoles[3], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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peg, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER)
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pegs := make([]sdf.SDF2, 4)
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for i := range pegs {
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pegs[i] = peg
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}
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pegs[0] = sdf.Transform2D(pegs[0], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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pegs[1] = sdf.Transform2D(pegs[1], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegs[2] = sdf.Transform2D(pegs[2], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegs[3] = sdf.Transform2D(pegs[3], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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mount2D := sdf.Union2D(pegs...)
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mountingHoles2D := sdf.Union2D(pegHoles...)
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mount2D = sdf.Difference2D(mount2D, mountingHoles2D)
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mount2D = sdf.Transform2D(mount2D, sdf.Translate2d(sdf.V2{X: bottom2D.BoundingBox().Max.X / 2, Y: -bottom2D.BoundingBox().Max.X / 3}))
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mount := sdf.Extrude3D(mount2D, 4) // M2x4mm screw holes
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mount = sdf.Transform3D(mount, sdf.Translate3d(sdf.V3{X: 0, Y: 0, Z: -0.1}))
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// bottom2D = sdf.Union2D(bottom2D, mount)
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bottom := sdf.Extrude3D(bottom2D, BOTTOM_THICKNESS)
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bottom = sdf.Union3D(bottom, mount)
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cavity2D = sdf.Elongate2D(cavity2D, sdf.V2{X: 1, Y: 1})
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floor := sdf.Extrude3D(cavity2D, PLATE_THICKNESS)
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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}))
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bottom = sdf.Union3D(bottom, floor)
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*/
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/*cableHole2D := sdf.Box2D(sdf.V2{X: CABLE_HEAD_WIDTH, Y: CABLE_HEAD_HEIGHT}, 0)
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cableHole := sdf.Extrude3D(cableHole2D, TOLERANCE)
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cableHole = sdf.Transform3D(cableHole, sdf.RotateX(sdf.DtoR(90)))
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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}))
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bottom = sdf.Difference3D(bottom, cableHole)*/
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bottom := sdf.Extrude3D(bottom2D, BOTTOM_THICKNESS-PLATE_THICKNESS)
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usbCutout, _ := sdf.Box3D(sdf.V3{X: USB_DAUGHTERBOARD_LENGTH + 0.4, Y: USB_DAUGHTERBOARD_HEIGHT + 0.4, Z: USB_DAUGHTERBOARD_THICKNESS + 10}, 0)
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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
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bottom = sdf.Difference3D(bottom, usbCutout)
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/*usbCutoutPeg2D := M3ScrewHole() // m2 hole
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usbCutoutPeg := sdf.Extrude3D(usbCutoutPeg2D, BOTTOM_THICKNESS) // thickness of daughtboard pcb
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usbCutoutPeg = sdf.Transform3D(usbCutoutPeg, sdf.Translate3d(sdf.V3{X: 7.8, Y: (cavity2D.BoundingBox().Max.Y + usbCutoutPeg.BoundingBox().Max.Y + 2) - usbCutoutPeg.BoundingBox().Max.Y*2, Z: -BOTTOM_THICKNESS / 2}))
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usbCutoutPeg2 := sdf.Transform3D(usbCutoutPeg, sdf.Translate3d(sdf.V3{X: -15.6, Y: 0, Z: 0}))
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usbCutoutPeg = sdf.Union3D(usbCutoutPeg, usbCutoutPeg2)
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bottom = sdf.Difference3D(bottom, usbCutoutPeg)*/
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usbPortHole, _ := sdf.Box3D(sdf.V3{X: USB_CONNECTOR_LENGTH + 0.5, Y: USB_CONNECTOR_HEIGHT + 0.5, Z: USB_CONNECTOR_THICKNESS + 0.5}, 0)
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// usbPortHole = sdf.Transform3D(usbPortHole, sdf.RotateZ(sdf.DtoR(90)))
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usbPortHole = sdf.Transform3D(usbPortHole, sdf.Translate3d(sdf.V3{X: 0, Y: PLATE_HEIGHT / 2, Z: 0})) // Z is thickness of board
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bottom = sdf.Difference3D(bottom, usbPortHole)
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return bottom
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}
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func bottom() sdf.SDF3 {
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bottom2D := sdf.Box2D(sdf.V2{X: PLATE_WIDTH, Y: PLATE_HEIGHT}, 5)
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cornerScrewHolder, _ := sdf.Circle2D((M4_SCREW_HOLE_DIAMETER + 8) / 2)
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cornerScrewHolders := cornerHoles(bottom2D, cornerScrewHolder)
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cornerScrews := cornerHoles(bottom2D, M4screwHole())
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bottom2D = sdf.Union2D(bottom2D, cornerScrewHolders)
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bottom2D = sdf.Difference2D(bottom2D, cornerScrews)
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usbCutoutPeg2D := M3ScrewHole()
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usbCutoutPeg2D = sdf.Transform2D(usbCutoutPeg2D, sdf.Translate2d(sdf.V2{X: 7.8, Y: (bottom2D.BoundingBox().Max.Y + usbCutoutPeg2D.BoundingBox().Max.Y - 2) - usbCutoutPeg2D.BoundingBox().Max.Y*2}))
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usbCutoutPeg2D = sdf.Union2D(usbCutoutPeg2D, sdf.Transform2D(usbCutoutPeg2D, sdf.Translate2d(sdf.V2{X: -15.6, Y: 0})))
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bottom2D = sdf.Difference2D(bottom2D, usbCutoutPeg2D)
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// usbCutoutPeg := sdf.Extrude3D(usbCutoutPeg2D, BOTTOM_THICKNESS) // thickness of daughtboard pcb
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// usbCutoutPeg = sdf.Transform3D(usbCutoutPeg, sdf.Translate3d(sdf.V3{X: 7.8, Y: (cavity2D.BoundingBox().Max.Y + usbCutoutPeg.BoundingBox().Max.Y + 2) - usbCutoutPeg.BoundingBox().Max.Y*2, Z: -BOTTOM_THICKNESS / 2}))
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// usbCutoutPeg2 := sdf.Transform3D(usbCutoutPeg, sdf.Translate3d(sdf.V3{X: -15.6, Y: 0, Z: 0}))
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bottom := sdf.Extrude3D(bottom2D, PLATE_THICKNESS)
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pegHole, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER / 2)
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pegHoles := make([]sdf.SDF2, PICO_PEG_HEIGHT)
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for i := range pegHoles {
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pegHoles[i] = pegHole
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}
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pegHoles[0] = sdf.Transform2D(pegHoles[0], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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pegHoles[1] = sdf.Transform2D(pegHoles[1], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegHoles[2] = sdf.Transform2D(pegHoles[2], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegHoles[3] = sdf.Transform2D(pegHoles[3], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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peg, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER)
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pegs := make([]sdf.SDF2, 4)
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for i := range pegs {
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pegs[i] = peg
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}
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pegs[0] = sdf.Transform2D(pegs[0], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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pegs[1] = sdf.Transform2D(pegs[1], sdf.Translate2d(sdf.V2{X: 47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegs[2] = sdf.Transform2D(pegs[2], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: -11.4 / 2})) //pico mounting hole spacing
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pegs[3] = sdf.Transform2D(pegs[3], sdf.Translate2d(sdf.V2{X: -47 / 2, Y: 11.4 / 2})) //pico mounting hole spacing
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mount2D := sdf.Union2D(pegs...)
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mountingHoles2D := sdf.Union2D(pegHoles...)
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mount2D = sdf.Difference2D(mount2D, mountingHoles2D)
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mount2D = sdf.Transform2D(mount2D, sdf.Translate2d(sdf.V2{X: bottom2D.BoundingBox().Max.X / 2, Y: -bottom2D.BoundingBox().Max.X / 3}))
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mount := sdf.Extrude3D(mount2D, 4) // M2x4mm screw holes
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mount = sdf.Transform3D(mount, sdf.Translate3d(sdf.V3{X: 0, Y: 0, Z: PLATE_THICKNESS}))
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bottom = sdf.Union3D(bottom, mount)
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return bottom
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}
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func cornerHoles(input, hole sdf.SDF2) sdf.SDF2 {
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cornerHoles := make([]sdf.SDF2, 4)
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for i := range cornerHoles {
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cornerHoles[i] = hole
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}
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cornerHoles[0] = sdf.Transform2D(cornerHoles[0], sdf.Translate2d(sdf.V2{
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X: input.BoundingBox().Max.X - TOLERANCE,
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Y: input.BoundingBox().Max.Y - TOLERANCE}))
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cornerHoles[1] = sdf.Transform2D(cornerHoles[1], sdf.Translate2d(sdf.V2{
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X: -(input.BoundingBox().Max.X - TOLERANCE),
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Y: input.BoundingBox().Max.Y - TOLERANCE}))
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cornerHoles[2] = sdf.Transform2D(cornerHoles[2], sdf.Translate2d(sdf.V2{
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X: -(input.BoundingBox().Max.X - TOLERANCE),
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Y: -(input.BoundingBox().Max.Y - TOLERANCE)}))
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cornerHoles[3] = sdf.Transform2D(cornerHoles[3], sdf.Translate2d(sdf.V2{
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X: input.BoundingBox().Max.X - TOLERANCE,
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Y: -(input.BoundingBox().Max.Y - TOLERANCE)}))
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return sdf.Union2D(cornerHoles...)
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}
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func lengthHoles(input, hole sdf.SDF2) sdf.SDF2 {
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cornerHoles := make([]sdf.SDF2, 2)
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for i := range cornerHoles {
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cornerHoles[i] = hole
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}
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cornerHoles[0] = sdf.Transform2D(cornerHoles[0], sdf.Translate2d(sdf.V2{
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X: 0,
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Y: input.BoundingBox().Max.Y - TOLERANCE}))
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cornerHoles[1] = sdf.Transform2D(cornerHoles[1], sdf.Translate2d(sdf.V2{
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X: 0,
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Y: -(input.BoundingBox().Max.Y - TOLERANCE)}))
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return sdf.Union2D(cornerHoles...)
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}
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// 0 is perfect
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/*func usbHoleTest() sdf.SDF3 {
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base2D := sdf.Box2D(sdf.V2{X: 50, Y: 10}, 0)
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holeDimensions := sdf.V2{X: USB_CONNECTOR_LENGTH, Y: USB_CONNECTOR_THICKNESS}
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connectors := make([]sdf.SDF2, 5)
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for i := range connectors {
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connectors[i] = sdf.Box2D(holeDimensions, float64(i))
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connectors[i] = sdf.Transform2D(connectors[i], sdf.Translate2d(sdf.V2{X: (connectors[0].BoundingBox().Max.X*2 + 0.8) * float64(i)}))
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}
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holes := sdf.Union2D(connectors...)
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holes = sdf.Transform2D(holes, sdf.Translate2d(sdf.V2{X: -19, Y: 0}))
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base2D = sdf.Difference2D(base2D, holes)
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return sdf.Extrude3D(base2D, 1.2)
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} */
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// i measured 45.6 between holes instead of 47mm, lets try some sizes I guess?
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func pegholeTest(pegDistances sdf.V2) sdf.SDF3 {
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plane2D := sdf.Box2D(sdf.V2{X: 50, Y: 30}, 0)
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pegHole, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER / 2)
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pegHoles := make([]sdf.SDF2, 4)
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for i := range pegHoles {
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pegHoles[i] = pegHole
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}
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pegHoles[0] = sdf.Transform2D(pegHoles[0], sdf.Translate2d(sdf.V2{X: pegDistances.X / 2, Y: pegDistances.Y / 2})) //pico mounting hole spacing
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pegHoles[1] = sdf.Transform2D(pegHoles[1], sdf.Translate2d(sdf.V2{X: pegDistances.X / 2, Y: -pegDistances.Y / 2})) //pico mounting hole spacing
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pegHoles[2] = sdf.Transform2D(pegHoles[2], sdf.Translate2d(sdf.V2{X: -pegDistances.X / 2, Y: -pegDistances.Y / 2})) //pico mounting hole spacing
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pegHoles[3] = sdf.Transform2D(pegHoles[3], sdf.Translate2d(sdf.V2{X: -pegDistances.X / 2, Y: pegDistances.Y / 2})) //pico mounting hole spacing
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peg, _ := sdf.Circle2D(M2_SCREW_HOLE_DIAMETER)
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pegs := make([]sdf.SDF2, 4)
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for i := range pegs {
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pegs[i] = peg
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}
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pegs[0] = sdf.Transform2D(pegs[0], sdf.Translate2d(sdf.V2{X: pegDistances.X / 2, Y: pegDistances.Y / 2})) //pico mounting hole spacing
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pegs[1] = sdf.Transform2D(pegs[1], sdf.Translate2d(sdf.V2{X: pegDistances.X / 2, Y: -pegDistances.Y / 2})) //pico mounting hole spacing
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pegs[2] = sdf.Transform2D(pegs[2], sdf.Translate2d(sdf.V2{X: -pegDistances.X / 2, Y: -pegDistances.Y / 2})) //pico mounting hole spacing
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pegs[3] = sdf.Transform2D(pegs[3], sdf.Translate2d(sdf.V2{X: -pegDistances.X / 2, Y: pegDistances.Y / 2})) //pico mounting hole spacing
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mountingHoles2D := sdf.Union2D(pegHoles...)
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mounts2D := sdf.Union2D(pegs...)
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mounts2D = sdf.Difference2D(mounts2D, mountingHoles2D)
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|
|
|
mounts := sdf.Extrude3D(mounts2D, PICO_PEG_HEIGHT)
|
|
plane := sdf.Extrude3D(plane2D, PICO_PEG_HEIGHT/2)
|
|
|
|
mounts = sdf.Transform3D(mounts, sdf.Translate3d(sdf.V3{X: 0, Y: 0, Z: PICO_PEG_HEIGHT / 4}))
|
|
|
|
return sdf.Union3D(mounts, plane)
|
|
}
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|
|
|
// usb hole is too low, needs to be a bit higher
|
|
func usbmountHeightTest() sdf.SDF3 {
|
|
box, _ := sdf.Box3D(sdf.V3{X: 2, Y: 15, Z: BOTTOM_THICKNESS}, 0)
|
|
floor, _ := sdf.Box3D(sdf.V3{X: 12, Y: 15, Z: 1}, 0)
|
|
|
|
floor = sdf.Transform3D(floor, sdf.Translate3d(sdf.V3{X: 5, Y: 0, Z: (-BOTTOM_THICKNESS / 2) - (-floor.BoundingBox().Max.Z)}))
|
|
|
|
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: 0, Z: 0})) // Z is thickness of board
|
|
usbPortHole = sdf.Transform3D(usbPortHole, sdf.RotateZ(sdf.DtoR(90)))
|
|
|
|
box = sdf.Difference3D(box, usbPortHole)
|
|
box = sdf.Union3D(box, floor)
|
|
|
|
return box
|
|
}
|