Tweaks; start usb cutout

pull/1/head
Tom Short 7 years ago
parent 8c4ff51bf1
commit 103cede0ef

@ -9,6 +9,8 @@
(def ncols 6)
(def lastrow (dec nrows))
(def cornerrow (dec lastrow))
(def α (/ π 12)) ; curvature of the columns
(def β (/ π (if (= nrows 4) 26 36))) ; curvature of the rows
;;;;;;;;;;;;;;;;;
;; Switch Hole ;;
@ -95,8 +97,6 @@
(def columns (range 0 ncols))
(def rows (range 0 nrows))
(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)))
@ -108,13 +108,15 @@
(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
(rotate (* α
(- cornerrow row 1) ; controls front-back tilt
) [1 0 0])
(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
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])
@ -401,18 +403,18 @@
(key-wall-brace 0 0 0 1 web-post-tl 0 0 -1 0 web-post-tl)
(key-wall-brace 5 0 0 1 web-post-tr 5 0 1 0 web-post-tr)
; right wall
(for [y (range 0 3)] (key-wall-brace 5 y 1 0 web-post-tr 5 y 1 0 web-post-br))
(for [y (range 1 3)] (key-wall-brace 5 (dec y) 1 0 web-post-br 5 y 1 0 web-post-tr))
(key-wall-brace 5 2 0 -1 web-post-br 5 2 1 0 web-post-br)
(for [y (range 0 lastrow)] (key-wall-brace 5 y 1 0 web-post-tr 5 y 1 0 web-post-br))
(for [y (range 1 lastrow)] (key-wall-brace 5 (dec y) 1 0 web-post-br 5 y 1 0 web-post-tr))
(key-wall-brace 5 cornerrow 0 -1 web-post-br 5 cornerrow 1 0 web-post-br)
; left wall
(for [y (range 0 3)] (key-wall-brace 0 y -1 0 web-post-tl 0 y -1 0 web-post-bl))
(for [y (range 1 3)] (key-wall-brace 0 (dec y) -1 0 web-post-bl 0 y -1 0 web-post-tl))
(for [y (range 0 lastrow)] (key-wall-brace 0 y -1 0 web-post-tl 0 y -1 0 web-post-bl))
(for [y (range 1 lastrow)] (key-wall-brace 0 (dec y) -1 0 web-post-bl 0 y -1 0 web-post-tl))
; front wall
(key-wall-brace 3 3 0 -1 web-post-bl 3 3 0.5 -1 web-post-br)
(key-wall-brace 4 2 0 -1 web-post-bl 4 2 0 -1 web-post-br)
(key-wall-brace 5 2 0 -1 web-post-bl 5 2 0 -1 web-post-br)
(key-wall-brace 3 3 0.5 -1 web-post-br 4 2 1 -1 web-post-bl)
(key-wall-brace 4 2 0 -1 web-post-br 5 2 0 -1 web-post-bl)
(key-wall-brace 3 lastrow 0 -1 web-post-bl 3 lastrow 0.5 -1 web-post-br)
(key-wall-brace 4 cornerrow 0 -1 web-post-bl 4 cornerrow 0 -1 web-post-br)
(key-wall-brace 5 cornerrow 0 -1 web-post-bl 5 cornerrow 0 -1 web-post-br)
(key-wall-brace 3 lastrow 0.5 -1 web-post-br 4 cornerrow 1 -1 web-post-bl)
(key-wall-brace 4 cornerrow 0 -1 web-post-br 5 cornerrow 0 -1 web-post-bl)
; thumb walls
(wall-brace thumb-mr-place 0 -1 web-post-br thumb-tr-place 0 -1 thumb-post-br)
(wall-brace thumb-mr-place 0 -1 web-post-br thumb-mr-place 0 -1 web-post-bl)
@ -429,19 +431,40 @@
(wall-brace thumb-ml-place 0 1 web-post-tl thumb-bl-place 0 1 web-post-tr)
(wall-brace thumb-bl-place -1 0 web-post-bl thumb-br-place -1 0 web-post-tl)
(wall-brace thumb-ml-place 0 1 web-post-tr thumb-tl-place -2.5 0 thumb-post-tl)
(wall-brace thumb-tl-place -1 0 thumb-post-tl (partial key-place 0 2) -1 0 web-post-bl)
(wall-brace thumb-tr-place 0 -1 thumb-post-br (partial key-place 3 3) 0 -1 web-post-bl)
(wall-brace thumb-tl-place -1 0 thumb-post-tl (partial key-place 0 cornerrow) -1 0 web-post-bl)
(wall-brace thumb-tr-place 0 -1 thumb-post-br (partial key-place 3 lastrow) 0 -1 web-post-bl)
))
(def teensy-width 20)
(def teensy-height 12)
(def teensy-length 33)
(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]))]
(->> (color [20/255 163/255 163/255 1])
(hull side-cylinder
(mirror [-1 0 0] side-cylinder))
(rotate (/ π 2) [1 0 0])
(translate [0 (/ teensy-length 2) (- side-radius)])
(translate [0 0 (- 1)])
(translate [0 0 (- teensy-offset-height)])
(key-place 0 1))))
(spit "repl.scad"
(write-scad (union
key-holes
connectors
thumb
thumb-connectors
case-walls
usb-cutout
; thumbcaps
; caps
case-walls
)))

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