An enclosure body and sealing lid for storing items

// Enclosure
// An enclosure body and sealing lid for storing items
// Categories: Computer Hardware, Maker

// Set units
@settings(defaultLengthUnit = mm, kclVersion = 1.0)

// Define parameters
length = 175
width = 125
height = 70
wallThickness = 3
holeDia = 4

// Model a box with base enclosure dimensions
sketch001 = startSketchOn(XY)
  |> startProfile(at = [0, 0])
  |> angledLine(angle = 0, length = width, tag = $rectangleSegmentA001)
  |> angledLine(angle = segAng(rectangleSegmentA001) + 90, length, tag = $rectangleSegmentB001)
  |> angledLine(angle = segAng(rectangleSegmentA001), length = -segLen(rectangleSegmentA001), tag = $rectangleSegmentC001)
  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD001)
  |> close()
extrude001 = extrude(sketch001, length = height)
  |> fillet(
       radius = wallThickness * 4,
       tags = [
         getNextAdjacentEdge(rectangleSegmentA001),
         getNextAdjacentEdge(rectangleSegmentB001),
         getNextAdjacentEdge(rectangleSegmentC001),
         getNextAdjacentEdge(rectangleSegmentD001)
       ],
     )

  // Apply a shell to the enclosure base to create the internal storage
  |> shell(faces = [END], thickness = wallThickness)

// Define a function to create the internal structure to secure a fastener at each corner
fn function001(@originStart) {
  // Create a plane to sketch on shell interior
  plane001 = {
    origin = [0.0, 0.0, wallThickness],
    xAxis = [1.0, 0.0, 0.0],
    yAxis = [0.0, 1.0, 0.0],
    zAxis = [0.0, 0.0, 1.0]
  }

  // Create a pillar with a fasterner hole at the center
  sketch002 = startSketchOn(plane001)
    |> circle(center = [originStart[0], originStart[1]], radius = holeDia + wallThickness)
    |> subtract2d(tool = circle(center = [originStart[0], originStart[1]], radius = holeDia))
  extrude002 = extrude(sketch002, length = height - wallThickness)

  return extrude002
}

// Place the internal pillar at each corner
function001([
  wallThickness * 3 + holeDia,
  wallThickness * 3 + holeDia
])
function001([
  wallThickness * 3 + holeDia,
  length - (wallThickness * 3 + holeDia)
])
function001([
  width - (wallThickness * 3 + holeDia),
  wallThickness * 3 + holeDia
])
function001([
  width - (wallThickness * 3 + holeDia),
  length - (wallThickness * 3 + holeDia)
])

// Define lid position and outer surface
sketch003 = startSketchOn(XY)
  |> startProfile(at = [width * 1.2, 0])
  |> angledLine(angle = 0, length = width, tag = $rectangleSegmentA002)
  |> angledLine(angle = segAng(rectangleSegmentA001) + 90, length, tag = $rectangleSegmentB002)
  |> angledLine(angle = segAng(rectangleSegmentA001), length = -segLen(rectangleSegmentA001), tag = $rectangleSegmentC002)
  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD002)
  |> close()
  |> subtract2d(tool = circle(
       center = [
         width * 1.2 + wallThickness * 3 + holeDia,
         wallThickness * 3 + holeDia
       ],
       radius = holeDia,
     ))
  |> subtract2d(tool = circle(
       center = [
         width * 1.2 + wallThickness * 3 + holeDia,
         length - (wallThickness * 3 + holeDia)
       ],
       radius = holeDia,
     ))
  |> subtract2d(tool = circle(
       center = [
         width * 2.2 - (wallThickness * 3 + holeDia),
         wallThickness * 3 + holeDia
       ],
       radius = holeDia,
     ))
  |> subtract2d(tool = circle(
       center = [
         width * 2.2 - (wallThickness * 3 + holeDia),
         length - (wallThickness * 3 + holeDia)
       ],
       radius = holeDia,
     ))
extrude003 = extrude(sketch003, length = wallThickness)
  |> fillet(
       radius = wallThickness * 4,
       tags = [
         getNextAdjacentEdge(rectangleSegmentA002),
         getNextAdjacentEdge(rectangleSegmentB002),
         getNextAdjacentEdge(rectangleSegmentC002),
         getNextAdjacentEdge(rectangleSegmentD002)
       ],
     )

// Define lid inner and sealing surfaces
sketch004 = startSketchOn(extrude003, face = END)
  |> startProfile(at = [
       width * 1.2 + wallThickness,
       wallThickness
     ])
  |> angledLine(angle = 0, length = width - (2 * wallThickness), tag = $rectangleSegmentA003)
  |> angledLine(angle = segAng(rectangleSegmentA003) + 90, length = length - (2 * wallThickness), tag = $rectangleSegmentB003)
  |> angledLine(angle = segAng(rectangleSegmentA003), length = -segLen(rectangleSegmentA003), tag = $rectangleSegmentC003)
  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD003)
  |> close()
  |> subtract2d(tool = circle(
       center = [
         width * 1.2 + wallThickness * 3 + holeDia,
         wallThickness * 3 + holeDia
       ],
       radius = holeDia + wallThickness,
     ))
  |> subtract2d(tool = circle(
       center = [
         width * 1.2 + wallThickness * 3 + holeDia,
         length - (wallThickness * 3 + holeDia)
       ],
       radius = holeDia + wallThickness,
     ))
  |> subtract2d(tool = circle(
       center = [
         width * 2.2 - (wallThickness * 3 + holeDia),
         wallThickness * 3 + holeDia
       ],
       radius = holeDia + wallThickness,
     ))
  |> subtract2d(tool = circle(
       center = [
         width * 2.2 - (wallThickness * 3 + holeDia),
         length - (wallThickness * 3 + holeDia)
       ],
       radius = holeDia + wallThickness,
     ))
extrude004 = extrude(sketch004, length = wallThickness)
  |> fillet(
       radius = wallThickness * 3,
       tags = [
         getNextAdjacentEdge(rectangleSegmentA003),
         getNextAdjacentEdge(rectangleSegmentB003),
         getNextAdjacentEdge(rectangleSegmentC003),
         getNextAdjacentEdge(rectangleSegmentD003)
       ],
     )


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enclosure