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Teensy hole and holder

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This commit is contained in:
Tom Short 2017-03-09 19:24:39 -05:00
parent 0489115fac
commit ff75080b47
1 changed files with 45 additions and 32 deletions
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77
src/dactyl_keyboard/dactyl-manuform.clj
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@ -5,15 +5,16 @@
[unicode-math.core :refer :all])) [unicode-math.core :refer :all]))
(def nrows 4) (def nrows 6)
(def ncols 6) (def ncols 6) ; it's not set up to change this
(def lastrow (dec nrows)) (def lastrow (dec nrows))
(def cornerrow (dec lastrow)) (def cornerrow (dec lastrow))
(def α (/ π 12)) ; curvature of the columns (def α (/ π 12)) ; curvature of the columns
(def β (/ π (if (= nrows 4) 26 36))) ; curvature of the rows (def β (/ π (if (= nrows 4) 26 36))) ; curvature of the rows
(def centerrow (- cornerrow 1)) ; controls front-back tilt (def centerrow (- cornerrow 1)) ; controls front-back tilt
(def centercol 3) ; controls left-right tilt / tenting (def centercol 3) ; controls left-right tilt / tenting
(def orthographic-x (> nrows 5)) ; for larger number of rows don't curve them in as much
; (def orthographic-x true)
;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;
;; Switch Hole ;; ;; Switch Hole ;;
@ -107,6 +108,7 @@
(def column-radius (+ (/ (/ (+ mount-width 2.0) 2) (def column-radius (+ (/ (/ (+ mount-width 2.0) 2)
(Math/sin (/ β 2))) (Math/sin (/ β 2)))
cap-top-height)) cap-top-height))
(def column-x-delta (+ -1 (- (* column-radius (Math/sin β)))))
(defn key-place [column row shape] (defn key-place [column row shape]
(let [row-placed-shape (->> shape (let [row-placed-shape (->> shape
@ -116,14 +118,21 @@
column-offset (cond column-offset (cond
(= column 2) [0 2.82 -4.5] (= column 2) [0 2.82 -4.5]
(>= column 4) [0 -5.8 5.64] (>= column 4) [0 -5.8 5.64]
; (= column 22) [0 2.82 -4.5]
; (>= column 24) [0 -5.8 5.64]
:else [0 0 0]) :else [0 0 0])
column-angle (* β (- centercol column)) column-angle (* β (- centercol column))
placed-shape (->> row-placed-shape placed-shape (->> row-placed-shape
(translate [0 0 (- column-radius)]) (translate [0 0 (- column-radius)])
(rotate column-angle [0 1 0]) (rotate column-angle [0 1 0])
(translate [0 0 column-radius]) (translate [0 0 column-radius])
(translate column-offset))] (translate column-offset))
(->> placed-shape column-z-delta (* column-radius (- 1 (Math/cos column-angle)))
placed-shape-ortho (->> row-placed-shape
(rotate column-angle [0 1 0])
(translate [(- (* (- column centercol) column-x-delta)) 0 column-z-delta])
(translate column-offset))]
(->> (if orthographic-x placed-shape-ortho placed-shape)
(rotate (/ π 12) [0 1 0]) (rotate (/ π 12) [0 1 0])
(translate [0 0 24])))) (translate [0 0 24]))))
@ -465,47 +474,51 @@
(def teensy-pcb-thickness 1.6) (def teensy-pcb-thickness 1.6)
(def teensy-offset-height 5) (def teensy-offset-height 5)
; (def teensy-holder
; (on-wall-place 0 20
; (union
; (->> (cube 5 (* 1.2 teensy2-length) (+ 6 teensy-width))
; (translate [-5 -30 0]))
; (->> (cube 5 (* 1.2 teensy2-length) 3)
; (translate [-3 -30 (- -1.5 (/ teensy-width 2))]))
; (->> (cube 5 (* 1.2 teensy2-length) 5)
; (translate [2 -30 (- -0.5 (/ teensy-width 2))]))
; )))
(def teensy-holder (def teensy-holder
(on-wall-place 0 20 (on-wall-place 0 20
(union (translate [-5 0 0]
(->> (cube 5 (* 1.2 teensy2-length) (+ 6 teensy-width)) (union
(translate [-2.5 -30 0])) (->> (cube 3 (* 1.2 teensy2-length) (+ 6 teensy-width))
(->> (cube teensy-pcb-thickness (* 1.2 teensy2-length) 3) (translate [-1.5 -30 0]))
(translate [(/ teensy-pcb-thickness 2) -30 (- -1.5 (/ teensy-width 2))])) (->> (cube teensy-pcb-thickness (* 1.2 teensy2-length) 3)
(->> (cube 4 (* 1.2 teensy2-length) 4) (translate [(/ teensy-pcb-thickness 2) -30 (- -1.5 (/ teensy-width 2))]))
(translate [(+ 2 teensy-pcb-thickness) -30 (- -1 (/ teensy-width 2))])) (->> (cube 4 (* 1.2 teensy2-length) 4)
(->> (cube teensy-pcb-thickness (* 0.2 teensy2-length) 3) (translate [(+ 2 teensy-pcb-thickness) -30 (- -1 (/ teensy-width 2))]))
(translate [(/ teensy-pcb-thickness 2) (+ (* 0.5 teensy2-length) -30) (+ 1.5 (/ teensy-width 2))])) (->> (cube teensy-pcb-thickness (* 0.2 teensy2-length) 3)
(->> (cube 4 (* 0.2 teensy2-length) 4) (translate [(/ teensy-pcb-thickness 2) (+ (* 0.5 teensy2-length) -30) (+ 1.5 (/ teensy-width 2))]))
(translate [(+ 2 teensy-pcb-thickness) (+ (* 0.5 teensy2-length) -30) (+ 1 (/ teensy-width 2))])) (->> (cube 4 (* 0.2 teensy2-length) 4)
))) (translate [(+ 2 teensy-pcb-thickness) (+ (* 0.5 teensy2-length) -30) (+ 1 (/ teensy-width 2))]))
))))
(def usb-cutout
(let [hole-height 6.2
side-radius (/ hole-height 2)
hole-width 10.75
side-cylinder (->> (cylinder side-radius teensy-length)
(with-fn 20)
(translate [(/ (- hole-width hole-height) 2) 0 0]))]
(->> (hull side-cylinder
(mirror [-1 0 0] side-cylinder))
(rotate (/ π 2) [1 0 0])
(rotate (/ π 2) [0 1 0])
; (translate [0 (/ teensy-length 2) (- side-radius)])
; (translate [0 0 (- 1)])
(on-wall-place 0 20))))
;; teensy info ;; teensy info
; base width - 18 ; base width - 18
; height - 1.45 ; height - 1.45
; ;
(spit "repl.scad" (spit "things/right.scad"
(write-scad (union (write-scad (union
key-holes key-holes
connectors connectors
thumb thumb
thumb-connectors thumb-connectors
(difference case-walls rj9-space) (difference case-walls rj9-space usb-cutout)
rj9-holder rj9-holder
teensy-holder (if (= nrows 4) teensy-holder)
; thumbcaps ; thumbcaps
; caps ; caps
))) )))