2020-08-11 22:40:13 +00:00
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/*
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2020-08-11 22:42:28 +00:00
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* title : Case for [2.13" Lilygo eink display](https://www.aliexpress.com/item/4000626947976.html)
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2020-08-11 22:40:13 +00:00
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* author : Knut Ahlers
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* revision : 0.1.1
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*/
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const boardD = 6
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const boardH = 37 + 4
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const boardW = 67
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const displayH = 25
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const displayW = 49.5
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const wall = 2
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const genCap = () => difference(
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cube({ size: [boardW + 2 * wall, boardH + 2 * wall, wall], center: true }),
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cube({ size: [wall, wall, wall], center: true })
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.translate([boardW / 2 + wall / 2, boardH / 2 + wall / 2, 0]),
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cube({ size: [wall, wall, wall], center: true })
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.translate([boardW / -2 + wall / -2, boardH / 2 + wall / 2, 0]),
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cube({ size: [wall, wall, wall], center: true })
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.translate([boardW / 2 + wall / 2, boardH / -2 + wall / -2, 0]),
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cube({ size: [wall, wall, wall], center: true })
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.translate([boardW / -2 + wall / -2, boardH / -2 + wall / -2, 0])
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)
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const genInner = () => union(
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// Inner without holding cylinders
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difference(
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cube({ size: [boardW, boardH, boardD], center: true }),
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cylinder({ h: boardD, r: 1, center: true })
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.translate([31, 16.5, 0]),
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cylinder({ h: boardD, r: 1, center: true })
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.translate([-31, 16.5, 0]),
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cylinder({ h: boardD, r: 1, center: true })
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.translate([31, -16.5, 0]),
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cylinder({ h: boardD, r: 1, center: true })
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.translate([-31, -16.5, 0])
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),
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// Display cut-out
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cube({ size: [displayW, displayH, wall], center: true })
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.translate([boardW / -2 + displayW / 2 + 3, 0, boardD / -2 + wall / -2]),
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// Port cut-out
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cube({ size: [9, wall, boardD], center: true })
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.translate([boardW / 2 - 4.5 - 19.5, boardH / -2 + wall / -2])
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)
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/* exported main */
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function main () {
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return union(
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difference(
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// Block
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cube({ size: [boardW + 2 * wall, boardH + 2 * wall, boardD + 2 * wall], center: true }),
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genInner(),
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genCap().translate([0, 0, boardD / 2 + wall / 2])
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),
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genCap().translate([0, 2 * boardH, 0])
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)
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}
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// vim: set ft=javascript:
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