main.kcl

// Food Service Spatula
// Use these spatulas for mixing, flipping, and scraping.

// Set units
@settings(defaultLengthUnit = mm)

// Define constants in millimeters (mm)
flipperThickness = 3.5
flipperLength = 70.0
handleWidth = 15.0
gripLength = 150.0
flipperFilletRadius = 5.0
flipperSlotWidth = 10.0
gripWidth = 10.0
gripHeight = 20.0
gripFilletRadius = 3.0
gripSlotWidth = 8.0

// function for drawing slots on a sketch given the start and end points as well as a width
fn slot(sketch1, start, end, width) {
  angle = if start[0] == end[0] {
    if end[1] > start[1] {
      90
    } else {
      270
    }
  } else {
    if end[0] < start[0] {
      toDegrees(atan((end[1] - start[1]) / (end[0] - start[0]))) + 180
    } else {
      toDegrees(      atan((end[1] - start[1]) / (end[0] - start[0])))
    }
  }
  dist = sqrt(pow(end[1] - start[1], 2) + pow(end[0] - start[0], 2))
  xstart = width / 2 * cos(toRadians(angle - 90)) + start[0]
  ystart = width / 2 * sin(toRadians(angle - 90)) + start[1]
  slotSketch = startProfileAt([xstart, ystart], sketch1)
    |> angledLine({ angle = angle, length = dist }, %, $line000)
    |> tangentialArc({ radius = width / 2, offset = 180 }, %, $arc000)
    |> angledLine({ angle = angle, length = -dist }, %, $line001)
    |> tangentialArcTo([profileStartX(%), profileStartY(%)], %, $arc001)
    |> close()
  return slotSketch
}

// create a sketch on the "XY" plane
sketch000 = startSketchOn('XY')

// create a profile of the flipper
flipperProfile = startProfileAt([-flipperLength, -32.0], sketch000)
  |> line(end = [flipperLength, 2.0])
  |> yLine(60.0, %, $backEdge)
  |> line(end = [-flipperLength, 2.0])
  |> arc({
       angleEnd = 196.912390,
       angleStart = 163.087610,
       radius = 110.0
     }, %)
  |> close()

// create a profile of the middle
slotProfile000 = slot(sketch000, [-25, 0], [-55, 0], flipperSlotWidth)

// create a profile of the top slot
slotProfile001 = slot(sketch000, [-25, 18], [-55, 19], flipperSlotWidth)

// create a profile of the bottom slot
slotProfile002 = slot(sketch000, [-25, -18], [-55, -19], flipperSlotWidth)

// create a profile with slots for the spatula
spatulaProfile = flipperProfile
  |> hole(slotProfile000, %)
  |> hole(slotProfile001, %)
  |> hole(slotProfile002, %)

// extrude the profile to create the spatula flipper
flipper = extrude(spatulaProfile, length = flipperThickness)

// fillet the edges of the flipper
fillet(
  flipper,
  radius = flipperFilletRadius,
  tags = [
    getNextAdjacentEdge(backEdge),
    getPreviousAdjacentEdge(backEdge)
  ]
)

// create a sketch on the "XZ" plane offset by half the thickness
sketch001 = startSketchOn(offsetPlane("XZ", offset = -handleWidth / 2))

// create a profile of the spatula handle
handleProfile = startProfileAt([0.0, flipperThickness], sketch001)
  |> line(end = [31.819805, 31.819805], tag = $handleBottomEdge)
  |> line(end = [140.953893, 51.303021])
  |> line(end = [-1.710101, 4.698463])
  |> line(end = [-141.995517, -51.682142], tag = $handleTopEdge)
  |> line(end = [-36.139148, -36.139148])
  |> xLine(7.071068, %)
  |> close()

// create an extrusion extrude001
handle = extrude(handleProfile, length = handleWidth)

// fillet the bend of the spatula handle
fillet(
  handle,
  radius = 4,
  tags = [
    getNextAdjacentEdge(handleBottomEdge),
    getNextAdjacentEdge(handleTopEdge)
  ]
)

// define a plane which is at the end of the handle
handlePlane = {
  plane = {
    origin = [208.593833, 0.0, 75.921946],
    xAxis = [0.342020, -0.0, -0.939693],
    yAxis = [0.0, 1.0, 0.0],
    zAxis = [0.939693, -0.0, 0.342020]
  }
}

// create a sketch on the handle plane
sketch002 = startSketchOn(handlePlane)

// create a profile of the grip
gripProfile = startProfileAt([-26.806746, -10.0], sketch002)
  |> xLine(gripWidth - (2 * gripFilletRadius), %)
  |> arc({
       angleStart = -90.0,
       angleEnd = 0.0,
       radius = gripFilletRadius
     }, %)
  |> yLine(gripHeight - (2 * gripFilletRadius), %)
  |> arc({
       angleStart = 0.0,
       angleEnd = 90.0,
       radius = gripFilletRadius
     }, %)
  |> xLine(-(gripWidth - (2 * gripFilletRadius)), %)
  |> arc({
       angleStart = 90.0,
       angleEnd = 180.0,
       radius = gripFilletRadius
     }, %)
  |> yLine(-(gripHeight - (2 * gripFilletRadius)), %, $gripEdgeTop)
  |> arc({
       angleStart = 180.0,
       angleEnd = 270.0,
       radius = gripFilletRadius
     }, %)
  |> close()

// extrude the grip profile to create the grip
grip = extrude(gripProfile, length = -gripLength)

// create a sketch on the grip for the hole
sketch003 = startSketchOn(grip, gripEdgeTop)

// create a profile for the grip hole
gripHoleProfile = slot(sketch003, [0, 200], [0, 210], gripSlotWidth)

// cut a hole in the grip
extrude(gripHoleProfile, length = -gripWidth-20)