First try at manuform layout

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Tom Short 2017-03-02 16:53:03 -05:00
parent e1ede3d955
commit 284ee47502

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(ns dactyl-keyboard.dactyl
(:refer-clojure :exclude [use import])
(:require [scad-clj.scad :refer :all]
[scad-clj.model :refer :all]
[unicode-math.core :refer :all]))
;;;;;;;;;;;;;;;;;
;; Switch Hole ;;
;;;;;;;;;;;;;;;;;
(def keyswitch-height 14.4) ;; Was 14.1, then 14.25
(def keyswitch-width 14.4)
(def sa-profile-key-height 12.7)
(def plate-thickness 4)
(def mount-width (+ keyswitch-width 3))
(def mount-height (+ keyswitch-height 3))
(def single-plate
(let [top-wall (->> (cube (+ keyswitch-width 3) 1.5 plate-thickness)
(translate [0
(+ (/ 1.5 2) (/ keyswitch-height 2))
(/ plate-thickness 2)]))
left-wall (->> (cube 1.5 (+ keyswitch-height 3) plate-thickness)
(translate [(+ (/ 1.5 2) (/ keyswitch-width 2))
0
(/ plate-thickness 2)]))
side-nub (->> (binding [*fn* 30] (cylinder 1 2.75))
(rotate (/ π 2) [1 0 0])
(translate [(+ (/ keyswitch-width 2)) 0 1])
(hull (->> (cube 1.5 2.75 plate-thickness)
(translate [(+ (/ 1.5 2) (/ keyswitch-width 2))
0
(/ plate-thickness 2)]))))
plate-half (union top-wall left-wall (with-fn 100 side-nub))]
(union plate-half
(->> plate-half
(mirror [1 0 0])
(mirror [0 1 0])))))
;;;;;;;;;;;;;;;;
;; SA Keycaps ;;
;;;;;;;;;;;;;;;;
(def sa-length 18.25)
(def sa-double-length 37.5)
(def sa-cap {1 (let [bl2 (/ 18.5 2)
m (/ 17 2)
key-cap (hull (->> (polygon [[bl2 bl2] [bl2 (- bl2)] [(- bl2) (- bl2)] [(- bl2) bl2]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 0.05]))
(->> (polygon [[m m] [m (- m)] [(- m) (- m)] [(- m) m]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 6]))
(->> (polygon [[6 6] [6 -6] [-6 -6] [-6 6]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 12])))]
(->> key-cap
(translate [0 0 (+ 5 plate-thickness)])
(color [220/255 163/255 163/255 1])))
2 (let [bl2 (/ sa-double-length 2)
bw2 (/ 18.25 2)
key-cap (hull (->> (polygon [[bw2 bl2] [bw2 (- bl2)] [(- bw2) (- bl2)] [(- bw2) bl2]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 0.05]))
(->> (polygon [[6 16] [6 -16] [-6 -16] [-6 16]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 12])))]
(->> key-cap
(translate [0 0 (+ 5 plate-thickness)])
(color [127/255 159/255 127/255 1])))
1.5 (let [bl2 (/ 18.25 2)
bw2 (/ 28 2)
key-cap (hull (->> (polygon [[bw2 bl2] [bw2 (- bl2)] [(- bw2) (- bl2)] [(- bw2) bl2]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 0.05]))
(->> (polygon [[11 6] [-11 6] [-11 -6] [11 -6]])
(extrude-linear {:height 0.1 :twist 0 :convexity 0})
(translate [0 0 12])))]
(->> key-cap
(translate [0 0 (+ 5 plate-thickness)])
(color [240/255 223/255 175/255 1])))})
;;;;;;;;;;;;;;;;;;;;;;;;;
;; Placement Functions ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(def columns (range 0 6))
(def rows (range 0 4))
(def α (/ π 12))
(def β (/ π 26))
(def cap-top-height (+ plate-thickness sa-profile-key-height))
(def row-radius (+ (/ (/ (+ mount-height 1/2) 2)
(Math/sin (/ α 2)))
cap-top-height))
(def column-radius (+ (/ (/ (+ mount-width 2.0) 2)
(Math/sin (/ β 2)))
cap-top-height))
(defn key-place [column row shape]
(let [row-placed-shape (->> shape
(translate [0 0 (- row-radius)])
(rotate (* α (- 1 row)) [1 0 0]) ; controls front-back tilt
(translate [0 0 row-radius]))
column-offset (cond
(= column 2) [0 2.82 -4.5]
(>= column 4) [0 -5.8 5.64]
:else [0 0 0])
column-angle (* β (- 3 column)) ; controls left-right tilt / tenting
placed-shape (->> row-placed-shape
(translate [0 0 (- column-radius)])
(rotate column-angle [0 1 0])
(translate [0 0 column-radius])
(translate column-offset))]
(->> placed-shape
(rotate (/ π 12) [0 1 0])
(translate [0 0 13]))))
(defn case-place [column row shape]
(let [row-placed-shape (->> shape
(translate [0 0 (- row-radius)])
(rotate (* α (- 1 row)) [1 0 0])
(translate [0 0 row-radius]))
column-offset [0 -4.35 5.64]
column-angle (* β (- 3 column))
placed-shape (->> row-placed-shape
(translate [0 0 (- column-radius)])
(rotate column-angle [0 1 0])
(translate [0 0 column-radius])
(translate column-offset))]
(->> placed-shape
(rotate (/ π 12) [0 1 0])
(translate [0 0 13]))))
(def key-holes
(apply union
(for [column columns
row rows
:when (or (.contains [2 3] column)
(not= row (last rows)))]
(->> single-plate
(key-place column row)))))
(def caps
(apply union
(for [column columns
row rows
:when (or (.contains [2 3] column)
(not= row (last rows)))]
(->> (sa-cap (if (= column 5) 1 1))
(key-place column row)))))
;;;;;;;;;;;;;;;;;;;;
;; Web Connectors ;;
;;;;;;;;;;;;;;;;;;;;
(def web-thickness 3.5)
(def post-size 0.1)
(def web-post (->> (cube post-size post-size web-thickness)
(translate [0 0 (+ (/ web-thickness -2)
plate-thickness)])))
(def post-adj (/ post-size 2))
(def web-post-tr (translate [(- (/ mount-width 2) post-adj) (- (/ mount-height 2) post-adj) 0] web-post))
(def web-post-tl (translate [(+ (/ mount-width -2) post-adj) (- (/ mount-height 2) post-adj) 0] web-post))
(def web-post-bl (translate [(+ (/ mount-width -2) post-adj) (+ (/ mount-height -2) post-adj) 0] web-post))
(def web-post-br (translate [(- (/ mount-width 2) post-adj) (+ (/ mount-height -2) post-adj) 0] web-post))
(defn triangle-hulls [& shapes]
(apply union
(map (partial apply hull)
(partition 3 1 shapes))))
(def connectors
(apply union
(concat
;; Row connections
(for [column (drop-last columns)
row rows
:when (or (.contains [2] column)
(not= row (last rows)))]
(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)))
;; Column connections
(for [column columns
row (drop-last rows)
; :when (or (.contains [2 3] column)
; (not= row 2))
]
(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 (.contains [ 1 2 3] column)
; (not= row 2))
]
(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))))))
;;;;;;;;;;;;
;; Thumbs ;;
;;;;;;;;;;;;
(def thumborigin [-25 -35 40])
(defn deg2rad [degrees]
(* (/ degrees 180) pi))
(defn thumb-a1-place [shape]
(->> shape
(rotate (deg2rad 10) [1 0 0])
(rotate (deg2rad -23) [0 1 0])
(rotate (deg2rad -3) [0 0 1])
(translate thumborigin)
(translate [-16 -23 -3])
))
(defn thumb-a2-place [shape]
(->> shape
(rotate (deg2rad 15) [1 0 0])
(rotate (deg2rad -35) [0 1 0])
(rotate (deg2rad 54) [0 0 1])
(translate thumborigin)
(translate [-28 -50 -16])
))
(defn thumb-a3-place [shape]
(->> shape
(rotate (deg2rad 6) [1 0 0])
(rotate (deg2rad -34) [0 1 0])
(rotate (deg2rad 74) [0 0 1])
(translate thumborigin)
(translate [-35 -65 -27])))
(defn thumb-b1-place [shape]
(->> shape
(rotate (deg2rad 10) [1 0 0])
(rotate (deg2rad -23) [0 1 0])
(rotate (deg2rad -3) [0 0 1])
(translate thumborigin)
(translate [-36 -21 -5])))
(defn thumb-b2-place [shape]
(->> shape
(rotate (deg2rad 6) [1 0 0])
(rotate (deg2rad -34) [0 1 0])
(rotate (deg2rad 70) [0 0 1])
(translate thumborigin)
(translate [-51 -34 -16])
))
(defn thumb-b3-place [shape]
(->> shape
(rotate (deg2rad 3) [1 0 0])
(rotate (deg2rad -35) [0 1 0])
(rotate (deg2rad 52) [0 0 1])
(translate thumborigin)
(translate [-55 -52 -28])
))
(defn thumb-1x-layout [shape]
(union
(thumb-a2-place shape)
(thumb-a3-place shape)
(thumb-b2-place shape)
(thumb-b3-place shape)))
(defn thumb-15x-layout [shape]
(union
(thumb-a1-place shape)
(thumb-b1-place shape)))
(def larger-plate
(let [plate-height (/ (- sa-double-length mount-height) 3)
top-plate (->> (cube mount-width plate-height web-thickness)
(translate [0 (/ (+ plate-height mount-height) 2)
(- plate-thickness (/ web-thickness 2))]))
]
(union top-plate (mirror [0 1 0] top-plate))))
(def thumbcaps
(union
(thumb-1x-layout (sa-cap 1))
(thumb-15x-layout (rotate (/ π 2) [0 0 1] (sa-cap 1.5)))))
(def thumb-connectors
(union
(apply union
(concat
(for [column [2] row [1]]
(triangle-hulls (thumb-place column row web-post-br)
(thumb-place column row web-post-tr)
(thumb-place (dec column) row web-post-bl)
(thumb-place (dec column) row web-post-tl)))
(for [column [2] row [0 1]]
(triangle-hulls
(thumb-place column row web-post-bl)
(thumb-place column row web-post-br)
(thumb-place column (dec row) web-post-tl)
(thumb-place column (dec row) web-post-tr)))))
(let [plate-height (/ (- sa-double-length mount-height) 2)
thumb-tl (->> web-post-tl
(translate [0 plate-height 0]))
thumb-bl (->> web-post-bl
(translate [0 (- plate-height) 0]))
thumb-tr (->> web-post-tr
(translate [0 plate-height 0]))
thumb-br (->> web-post-br
(translate [0 (- plate-height) 0]))]
(union
;;Connecting the two doubles
(triangle-hulls (thumb-place 0 -1/2 thumb-tl)
(thumb-place 0 -1/2 thumb-bl)
(thumb-place 1 -1/2 thumb-tr)
(thumb-place 1 -1/2 thumb-br))
;;Connecting the double to the one above it
(triangle-hulls (thumb-place 1 -1/2 thumb-tr)
(thumb-place 1 -1/2 thumb-tl)
(thumb-place 1 1 web-post-br)
(thumb-place 1 1 web-post-bl))
;;Connecting the 4 with the double in the bottom left
(triangle-hulls (thumb-place 1 1 web-post-bl)
(thumb-place 1 -1/2 thumb-tl)
(thumb-place 2 1 web-post-br)
(thumb-place 2 0 web-post-tr))
;;Connecting the two singles with the middle double
(hull (thumb-place 1 -1/2 thumb-tl)
(thumb-place 1 -1/2 thumb-bl)
(thumb-place 2 0 web-post-br)
(thumb-place 2 -1 web-post-tr))
(hull (thumb-place 1 -1/2 thumb-tl)
(thumb-place 2 0 web-post-tr)
(thumb-place 2 0 web-post-br))
(hull (thumb-place 1 -1/2 thumb-bl)
(thumb-place 2 -1 web-post-tr)
(thumb-place 2 -1 web-post-br))
;;Connecting the thumb to everything
(triangle-hulls (thumb-place 0 -1/2 thumb-br)
(key-place 1 4 web-post-bl)
(thumb-place 0 -1/2 thumb-tr)
(key-place 1 4 web-post-tl)
(key-place 1 3 web-post-bl)
(thumb-place 0 -1/2 thumb-tr)
(key-place 0 3 web-post-br)
(key-place 0 3 web-post-bl)
(thumb-place 0 -1/2 thumb-tr)
(thumb-place 0 -1/2 thumb-tl)
(key-place 0 3 web-post-bl)
(thumb-place 1 -1/2 thumb-tr)
(thumb-place 1 1 web-post-br)
(key-place 0 3 web-post-bl)
(key-place 0 3 web-post-tl)
(thumb-place 1 1 web-post-br)
(thumb-place 1 1 web-post-tr))
(hull (thumb-place 0 -1/2 web-post-tr)
(thumb-place 0 -1/2 thumb-tr)
(key-place 1 4 web-post-bl)
(key-place 1 4 web-post-tl))))))
(def thumb
(union
; thumb-connectors
thumbcaps
(thumb-1x-layout single-plate)
(thumb-15x-layout single-plate)
(thumb-15x-layout larger-plate)
))
(spit "repl.scad"
(write-scad (union
key-holes
connectors
caps
thumb
; thumbcaps
; front-wall
; right-wall
; new-case
)))
;;;;;;;;;;
;; Case ;;
;;;;;;;;;;
;; In column units
(def right-wall-column (+ (last columns) 0.55))
(def left-wall-column (- (first columns) 1/2))
(def thumb-back-y 0.93)
(def thumb-right-wall (- -1/2 0.05))
(def thumb-front-row (+ -1 0.07))
(def thumb-left-wall-column (+ 5/2 0.05))
(def back-y 0.02)