69 lines
2.4 KiB
Plaintext
69 lines
2.4 KiB
Plaintext
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// Spool
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// A spool is a winding device for storing large batches of filament, wire, tape, etc
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// Set units
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@settings(defaultLengthUnit = mm)
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// Define shaft parameters
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hubDiameter = 2in
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spoolDiameter = 305
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spoolThickness = 267
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coreDiameter = 150
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webThickness = 10
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stockDiameter = 5
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// Sketch the revolved profile of one side of the spool
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spoolBase = startSketchOn(XY)
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|> startProfile(at = [0, coreDiameter / 2])
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|> xLine(length = spoolThickness / 2)
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|> yLine(endAbsolute = spoolDiameter / 2 - webThickness)
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|> tangentialArc(angle = -270, radius = webThickness)
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|> yLine(endAbsolute = hubDiameter / 2, tag = $seg01)
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|> xLine(endAbsolute = profileStartX())
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|> yLine(endAbsolute = profileStartY())
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|> close()
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|> revolve(axis = X)
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|> appearance(color = "#010101", metalness = 10, roughness = 70)
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// Create a function that draws an indent on the outer faces of the spool
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fn score(radius, length, depth) {
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scoreFn = startSketchOn(spoolBase, face = seg01)
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|> startProfile(at = [0, radius])
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|> arc(angleStart = 90, angleEnd = 55, radius = profileStartY(%))
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|> angledLine(angle = 55, length = length)
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|> arc(
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%,
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angleStart = 55,
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angleEnd = 90,
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radius = profileStartY(%) + length,
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)
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|> line(endAbsolute = [profileStartX(%), profileStartY(%)])
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|> close()
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|> patternCircular2d(instances = 8, center = [0, 0])
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|> extrude(length = -depth)
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return scoreFn
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}
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// Circular pattern indents around each side face of the spool
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scoreSketch01 = score(radius = hubDiameter / 2 + webThickness, length = (coreDiameter - hubDiameter) / 2 - (2 * webThickness), depth = spoolThickness / 2)
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scoreSketch02 = score(radius = coreDiameter / 2, length = (spoolDiameter - coreDiameter) / 2 - (webThickness * 3), depth = webThickness / 2)
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// Mirror the spool base piece across the Y axis
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|> patternCircular3d(instances = 2, axis = [0, 1, 0], center = [0, 0, 0])
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// Model a wound coil on the spool diameter
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hel01 = helix(
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revolutions = spoolThickness / stockDiameter / 1.5,
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angleStart = 0,
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radius = (coreDiameter + stockDiameter) / 2,
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axis = X,
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length = spoolThickness,
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)
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// Sweep and color the coil
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stock = startSketchOn(XZ)
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|> circle(center = [0, -(coreDiameter + stockDiameter) / 2], diameter = stockDiameter)
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|> sweep(path = hel01)
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|> translate(x = -spoolThickness / 2)
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|> appearance(color = "#f2471c", metalness = 70, roughness = 30)
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