Somewhat working side walls

This commit is contained in:
Tom Short 2017-03-04 08:48:27 -05:00
parent dc7053c1e4
commit f6408b27e2

View file

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