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Add secondary strap. Add preview model simplification.

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Dejvino
2021-01-11 13:54:11 +01:00
parent 6a6c5c57d2
commit 383bcd084e
2 changed files with 62 additions and 22 deletions
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strap.scad
+35 -3
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@@ -13,6 +13,7 @@ use <BOSL/sliders.scad>
MODEL_STRAP_PLATFORM_BASE=10;
MODEL_STRAP_PLATFORM_RIB=11;
MODEL_STRAP_PLATFORM_RIB_BRACE=12;
MODEL_STRAP_SECONDARY=13;
export=0; // [0:20]
function is_not_export() = is_undef(export) || export == 0;
function is_export() = !is_not_export();
@@ -25,20 +26,24 @@ 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);
down(arm_size.z/2) {
cuboid(arm_size, fillet=16, edges=EDGES_X_ALL);
left(arm_size.x*0.6) scale([1, 1, 0.8]) yrot(90) cylinder(d1=arm_size.y*1.4, d2=arm_size.y*0.95, h=arm_size.x/2);
}
}
module strap_platform() {
base_size=[40, 70, 2];
rib_thickness=2;
rib_thickness=5;
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() {
cutout_size=[(base_size.x-rib_thickness*2 - 2*(base_size.x/2-rib_pos.x)), (base_size.y - 5), 2*base_size.z];
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);
down(base_size.z/2) cuboid(cutout_size, fillet=2, edges=EDGES_Z_ALL);
model_rib_left(socket=true);
model_rib_right(socket=true);
}
@@ -91,12 +96,39 @@ module strap_platform() {
}
}
module strap_secondary() {
size=[40, 15, 10];
size_base=[size.x, size.y];
size_top=[size.x * 0.9, size.y * 0.4];
cutout_size=[size.x - 10, size.y*10, size.z - 4];
module anchor() {
difference() {
xrot(180) rounded_prismoid(size1=size_base, size2=size_top, h=size.z, r=5);
down(size.z/2) cube(cutout_size, center=true);
}
}
anchor_pos=[60, 30, 0];
module anchor_front() {
left(anchor_pos.x) fwd(anchor_pos.y) anchor();
}
module anchor_back() {
left(anchor_pos.x) back(anchor_pos.y) anchor();
}
if (is_model(MODEL_STRAP_SECONDARY)) anchor_front();
if (is_not_export()) anchor_back();
}
module model_strap_platform() {
strap_platform();
}
module model_strap_secondary() {
strap_secondary();
}
module model_arm() {
if (is_not_export()) down(3) arm();
}
model_strap_platform();
model_strap_secondary();
model_arm();