Somewhat working side walls
This commit is contained in:
Tom Short
parent
dc7053c1e4
commit
f6408b27e2
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@ -6,6 +6,7 @@
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(def nrows 4)
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(def ncols 6)
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(def lastrow (dec nrows))
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(def cornerrow (dec lastrow))
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@ -91,7 +92,7 @@
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;; Placement Functions ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;
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(def columns (range 0 6))
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(def columns (range 0 ncols))
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(def rows (range 0 nrows))
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(def α (/ π 12))
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@ -139,6 +140,27 @@
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(rotate (/ π 12) [0 1 0])
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(translate [0 0 13]))))
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(defn bottom-place [column row shape]
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(let [row-placed-shape (->> shape
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(translate [0 0 (- row-radius)])
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(rotate (* α (- 2 row)) [1 0 0])
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(translate [0 0 row-radius]))
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column-offset (cond (< column 1.5) [-1 0 0]
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:else [0 0 0])
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column-row-offset (if (not= column 6) [0 -4.35 4.8]
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(if (not= row 4) [-7.25 -5.8 2.1]
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[-7.89 -5.8 3.6]))
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column-angle (* β (- 2 column))
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placed-shape (->> row-placed-shape
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(translate [0 0 (- column-radius)])
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(rotate column-angle [0 1 0])
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(translate [0 0 column-radius])
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(translate column-row-offset)
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(translate column-offset))]
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(->> placed-shape
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(rotate (/ π 12) [0 1 0])
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(translate [0 0 13]))))
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(def key-holes
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(apply union
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(for [column columns
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@ -182,7 +204,7 @@
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(apply union
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(concat
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;; Row connections
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(for [column (drop-last columns)
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(for [column (range -1 ncols)
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row rows
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:when (or (.contains [2] column)
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(not= row lastrow))]
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@ -194,7 +216,7 @@
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;; Column connections
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(for [column columns
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row (drop-last rows)
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row (range -1 lastrow)
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; :when (or (.contains [2 3] column)
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; (not= row 2))
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]
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@ -205,8 +227,8 @@
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(key-place column (inc row) web-post-tr)))
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;; Diagonal connections
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(for [column (drop-last columns)
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row (drop-last rows)
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(for [column (range -1 ncols)
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row (range -1 lastrow)
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; :when (or (.contains [ 1 2 3] column)
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; (not= row 2))
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]
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@ -359,28 +381,260 @@
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)
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))
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(spit "repl.scad"
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(write-scad (union
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key-holes
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connectors
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thumb
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thumb-connectors
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; thumbcaps
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caps
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; front-wall
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; right-wall
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; new-case
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)))
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;;;;;;;;;;
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;; Case ;;
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;;;;;;;;;;
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;; In column units
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(def right-wall-column (+ (last columns) 0.55))
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(def right-wall-column (+ (last columns) 0.1))
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(def left-wall-column (- (first columns) 1/2))
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(def thumb-back-y 0.93)
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(def thumb-back-y 0.1)
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(def thumb-case-z 3)
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(def thumb-right-wall (- -1/2 0.05))
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(def thumb-front-row (+ -1 0.07))
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(def thumb-left-wall-column (+ 5/2 0.05))
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(def back-y 0.02)
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(defn range-inclusive [start end step]
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(concat (range start end step) [end]))
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(def wall-step 0.2)
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(def wall-sphere-n 20) ;;20 Sphere resolution, lower for faster renders
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(defn wall-cube-at [coords]
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(->> (cube 3 3 3)
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(translate coords)))
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(defn scale-to-range [start end x]
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(+ start (* (- end start) x)))
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(defn wall-cube-bottom [front-to-back-scale]
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(wall-cube-at [0
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(scale-to-range
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(+ (/ mount-height -2) -3.5)
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(+ (/ mount-height 2) 5.0)
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front-to-back-scale)
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-6])) ; was -6, then 2
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(defn wall-cube-top [front-to-back-scale]
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(wall-cube-at [0
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(scale-to-range
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(+ (/ mount-height -2) -3.5)
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(+ (/ mount-height 2) 3.5)
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front-to-back-scale)
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4])) ; case height
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(def wall-cube-top-back (wall-cube-top 1))
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(def wall-cube-bottom-back (wall-cube-bottom 1))
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(def wall-cube-bottom-front (wall-cube-bottom 0))
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(def wall-cube-top-front (wall-cube-top 0))
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(defn bottom [height p]
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(->> (project p)
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(extrude-linear {:height height :twist 0 :convexity 0})
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(translate [0 0 (/ height 2)])))
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(defn bottom-hull [& p]
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(hull p (bottom 10.001 p)))
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(def bottom-key-guard (->> (cube mount-width mount-height web-thickness)
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(translate [0 0 (+ (- (/ web-thickness 2)) -5)])))
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(def bottom-front-key-guard (->> (cube mount-width (/ mount-height 2) web-thickness)
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(translate [0 (/ mount-height 4) (+ (- (/ web-thickness 2)) -5)])))
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(defn stand-at [diameter placement]
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(let [bumper-radius (/ diameter 2)
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stand-diameter (+ diameter 2)
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stand-radius (/ stand-diameter 2)]
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(difference (->> (sphere stand-radius)
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(translate [0 0 (+ (/ stand-radius -2) -4.5)])
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placement
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bottom-hull)
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(->> (cube stand-diameter stand-diameter stand-radius)
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(translate [0 0 (/ stand-radius -2)])
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placement)
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(->> (sphere bumper-radius)
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(translate [0 0 (+ (/ stand-radius -2) -4.5)])
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placement
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(bottom 1.5)))))
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(def outer-case
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(union
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; (let [shift #(translate [0 0 (+ (+ web-thickness) 0)] %)
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(let [shift #(scale [1 1 1] %)
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thumb-ridge-height 1
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thumb-back-offset -1.28
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thumb-left-offset 1.13
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thumb-front-offset 0.56
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front-offset 0.3
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left-offset 0.2
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right-offset -0.23
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back-offset -0.25
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web-post-tl border-post-tl
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web-post-tr border-post-tr
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web-post-br border-post-br
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web-post-bl border-post-bl
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half-shift-correction #(translate [0 (/ mount-height 2) 0] %)
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half-post-br (half-shift-correction web-post-br)
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half-post-bl (half-shift-correction web-post-bl)
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row-connections (concat
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(for [column (drop-last columns)
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row (drop-last rows)
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:when (or (not= column 0)
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(not= row 4))]
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(triangle-hulls
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(key-place (inc column) row web-post-tl)
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(key-place column row web-post-tr)
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(key-place (inc column) row web-post-bl)
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(key-place column row web-post-br)))
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(for [column (drop-last columns)
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row [(last rows)]
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:when (or (not= column 0)
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(not= row 4))]
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(triangle-hulls
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(key-place (inc column) row web-post-tl)
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(key-place column row web-post-tr)
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(key-place (inc column) row half-post-bl)
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(key-place column row half-post-br))))
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column-connections (for [column columns
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row (drop-last rows)
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:when (or (not= column 0)
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(not= row 3))]
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(triangle-hulls
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(key-place column row web-post-bl)
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(key-place column row web-post-br)
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(key-place column (inc row) web-post-tl)
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(key-place column (inc row) web-post-tr)))
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diagonal-connections (for [column (drop-last columns)
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row (drop-last rows)
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:when (or (not= column 0)
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(not= row 3))]
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(triangle-hulls
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(key-place column row web-post-br)
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(key-place column (inc row) web-post-tr)
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(key-place (inc column) row web-post-bl)
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(key-place (inc column) (inc row) web-post-tl)))
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main-keys-bottom (concat row-connections
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column-connections
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diagonal-connections)
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front-wall (concat
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(for [x (range 4 6)]
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(union
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(bottom-hull
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(key-place (+ x 1) 2.2 web-post-bl)
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(key-place x 2.2 web-post-br))
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(bottom-hull
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(key-place x 2.2 web-post-bl)
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(key-place x 2.2 web-post-br)
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))))
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right-wall (concat
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(for [x (range 1 3)]
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(union
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(bottom-hull
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(key-place 5.2 x web-post-br)
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(key-place 5.2 x web-post-tr))
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(bottom-hull
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(key-place 5.2 x web-post-br)
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(key-place 5.2 (dec x) web-post-tr))
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)))
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back-wall (concat
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(for [x (range 6)]
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(union
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(hull
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(key-place x -0.2 web-post-tl)
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(key-place x -0.2 web-post-tr))
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(hull
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(key-place x -0.2 web-post-tl)
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(key-place (- x 1) -0.2 web-post-tr))
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))
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)
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left-wall (concat
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(for [x (range 1 3)]
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(union
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(bottom-hull
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(key-place -1.0 x web-post-br)
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(key-place -1.0 x web-post-tr))
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(bottom-hull
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(key-place -1.0 x web-post-br)
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(key-place -1.0 (dec x) web-post-tr))
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)))
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]
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(apply union
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(concat
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;main-keys-bottom
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front-wall
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right-wall
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back-wall
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left-wall
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;thumbs
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; thumb-back-wall
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; thumb-left-wall
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; thumb-front-wall
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; thumb-inside
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;stands)))))
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)))))
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(def border-web-post (cube post-size post-size web-thickness))
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(def border-post-adj (/ border-post-size 2))
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(def border-post-tr (translate [(- (/ mount-width 2) border-post-adj) (- (/ mount-height 2) border-post-adj) 0] border-web-post))
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(def border-post-tl (translate [(+ (/ mount-width -2) border-post-adj) (- (/ mount-height 2) border-post-adj) 0] border-web-post))
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(def border-post-bl (translate [(+ (/ mount-width -2) border-post-adj) (+ (/ mount-height -2) border-post-adj) 0] border-web-post))
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(def border-post-br (translate [(- (/ mount-width 2) border-post-adj) (+ (/ mount-height -2) border-post-adj) 0] border-web-post))
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(def upper-brace-multiplier -4)
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(defn wall-brace [x1 y1 dx1 dy1 post1 x2 y2 dx2 dy2 post2]
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(union
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(hull
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(key-place x1 y1 post1)
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(key-place x1 y1 (scale [1 1 -3] post1))
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(key-place x1 y1 (translate [(* dx1 5) (* dy1 5) 0] (scale [1 1 -3] post1)))
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(key-place x2 y2 post2)
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(key-place x2 y2 (scale [1 1 -3] post2))
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(key-place x2 y2 (translate [(* dx2 5) (* dy2 5) 0] (scale [1 1 -3] post2)))
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)
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(bottom-hull
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(key-place x1 y1 (translate [(* dx1 5) (* dy1 5) -15] post1))
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(key-place x1 y1 (translate [0 0 -15] post1))
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(key-place x1 y1 (translate [(* dx1 5) (* dy1 5) -15] post1))
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(key-place x2 y2 (translate [0 0 -15] post2))
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(key-place x2 y2 (translate [(* dx2 5) (* dy2 5) -15] post2))
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)
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; (hull
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; (translate [0 0 -199] (key-place x1 y1 (translate [0 0 -15] post1)))
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; (translate [0 0 -199] (key-place x2 y2 (translate [0 0 -15] post2)))
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; (key-place x1 y1 (translate [(* dx1 5) (* dy1 5) -15] post1))
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; (key-place x1 y1 (translate [0 0 -15] post1))
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; (key-place x1 y1 (translate [(* dx1 5) (* dy1 5) -15] post1))
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; (key-place x2 y2 (translate [0 0 -15] post2))
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; (key-place x2 y2 (translate [(* dx1 5) (* dy1 5) -15] post2))
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; )
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))
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(def case-walls
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(union
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; back wall
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(for [x (range 0 6)] (wall-brace x 0 0 1 web-post-tl x 0 0 1 web-post-tr))
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(for [x (range 1 6)] (wall-brace x 0 0 1 web-post-tl (dec x) 0 0 1 web-post-tr))
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; right wall
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(for [y (range 0 3)] (wall-brace 5 y 1 0 web-post-tr 5 y 1 0 web-post-br))
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(for [y (range 1 3)] (wall-brace 5 (dec y) 1 0 web-post-br 5 y 1 0 web-post-tr))
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; left wall
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(for [y (range 0 3)] (wall-brace 0 y -1 0 web-post-tl 0 y -1 0 web-post-bl))
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(for [y (range 1 3)] (wall-brace 0 (dec y) -1 0 web-post-bl 0 y -1 0 web-post-tl))
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))
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(spit "repl.scad"
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(write-scad (difference (union
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key-holes
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; connectors
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thumb
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thumb-connectors
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; thumbcaps
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; caps
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; front-wall
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; right-wall
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case-walls
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)
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(translate [0 0 -599] (cube 999 999 999)))))
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