From 6a6c5c57d26248ca3d1eeb1227970a90f746efc8 Mon Sep 17 00:00:00 2001 From: Dejvino Date: Sat, 2 Jan 2021 10:43:54 +0100 Subject: [PATCH] Add strap --- strap.scad | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 strap.scad diff --git a/strap.scad b/strap.scad new file mode 100644 index 0000000..e05b9f9 --- /dev/null +++ b/strap.scad @@ -0,0 +1,102 @@ +// dependency: https://github.com/revarbat/BOSL +include +use +use +use +use + +// DEBUG: +//validation = 1; +//xray = 1; + +// EXPORT: +MODEL_STRAP_PLATFORM_BASE=10; +MODEL_STRAP_PLATFORM_RIB=11; +MODEL_STRAP_PLATFORM_RIB_BRACE=12; +export=0; // [0:20] +function is_not_export() = is_undef(export) || export == 0; +function is_export() = !is_not_export(); +function is_model_strict(m) = is_export() && export == m; +function is_model(m) = is_not_export() || export == m; + +function get_phone_size() = [160, 76.7, 10]; + +module arm() { + $fn=$preview ? 10 : 30; + arm_size=[200, 55, 40]; +color("gray") +down(arm_size.z/2) cuboid(arm_size, fillet=16, edges=EDGES_X_ALL); +} + +module strap_platform() { + base_size=[40, 70, 2]; + rib_thickness=2; + rib_height=20; + rib_pos=[base_size.x/2 - rib_thickness, 0, -1.3]; + brace_size=[base_size.x, 3.6, 4.8]; + brace_pos=[0, base_size.y/2 - 4, -1.3]; + module platform_base() { + difference() { + down(base_size.z/2) cuboid(base_size, fillet=2, edges=EDGES_Z_ALL); + down(base_size.z/2) scale([0.75, 0.85, 2]) cuboid(base_size, fillet=2, edges=EDGES_Z_ALL); + model_rib_left(socket=true); + model_rib_right(socket=true); + } + } + + module platform_rib(socket=false) { + rib_size=[rib_thickness, base_size.y - 2, rib_height]; + difference() { + union() { + difference() { + down(rib_size.z/2) scale(socket ? 1.01 : 1) sparse_strut(h=rib_size.z, l=rib_size.y, thick=rib_size.x, strut=1.2, maxang=40, max_bridge=4); + arm(); + } + difference() { + intersection() { + down(rib_size.z/2) cube(rib_size, center=true); + scale(1.07) arm(); + } + down(2) scale(1.0) arm(); + } + } + fwd(brace_pos.y) platform_rib_brace(socket=true); + back(brace_pos.y) platform_rib_brace(socket=true); + } + } + + module platform_rib_brace(socket=false) { + down(rib_height - 1.2 - brace_size.z/2) scale(socket ? 1.02 : 1) cuboid(brace_size, fillet=1, edges=EDGES_X_ALL); + } + + module model_rib_left(socket=false) { + left(rib_pos.x) up(rib_pos.z) platform_rib(socket=socket); + } + module model_rib_right(socket=false) { + right(rib_pos.x) up(rib_pos.z) platform_rib(socket=socket); + } + module model_brace_front() { + fwd(brace_pos.y) up(brace_pos.z) platform_rib_brace(); + } + module model_brace_back() { + back(brace_pos.y) up(brace_pos.z) platform_rib_brace(); + } + + if (is_model(MODEL_STRAP_PLATFORM_BASE)) platform_base(); + if (is_model(MODEL_STRAP_PLATFORM_RIB)) model_rib_left(); + if (is_model(MODEL_STRAP_PLATFORM_RIB_BRACE)) model_brace_front(); + if (is_not_export()) { + model_rib_right(); + model_brace_back(); + } +} + +module model_strap_platform() { + strap_platform(); +} +module model_arm() { + if (is_not_export()) down(3) arm(); +} + +model_strap_platform(); +model_arm(); \ No newline at end of file