Replaced platform locking with screws

This commit is contained in:
Dejvino 2021-01-22 07:49:19 +01:00
parent 5a274cdb03
commit 129f1890df
3 changed files with 40 additions and 94 deletions

View File

@ -1,6 +1,6 @@
include <export.scad> include <export.scad>
//export=MODEL_PLATFORM_HARNESS; //export=MODEL_PLATFORM_HARNESS;
export=MODEL_PLATFORM_STRAP; //export=MODEL_PLATFORM_STRAP;
// dependency: https://github.com/revarbat/BOSL // dependency: https://github.com/revarbat/BOSL
include <BOSL/constants.scad> include <BOSL/constants.scad>
@ -36,73 +36,6 @@ module model_prop_arm() {
// <<< // <<<
// Blocks: // Blocks:
module lock_pin(groove) {
slack=groove
?[1, 0.5, 0.3]
:[0, 0, 0];
pin_size=get_platform_lock_pin_size();
size=vec_sum(pin_size, slack);
down(size.z/2)
translate([slack.x/2, slack.y/2, slack.z/2])
xrot(-4) zrot(-90) right_triangle([size.y, size.x, size.z]);
}
module lock_arm() {
size=get_platform_lock_arm_size();
down(get_platform_top_size().z) back(size.y/2) right(size.x/2) cube(size, center=true);
joiner_size=[get_platform_lock_pin_size().x, size.y, get_platform_top_size().z];
translate([joiner_size.x/2, joiner_size.y/2, -joiner_size.z/2 + size.z/2]) cube(joiner_size, center=true);
}
module lock_mechanism_button(groove=false) {
button_size=get_platform_lock_button_profile(groove);
size=get_platform_lock_button_size(groove);
translate(get_platform_lock_button_pos())
left(groove?1:0)
difference() {
cube(size, center=true);
up(size.z/2 + (groove?0.5:0)) back(3) cube(size, center=true);
}
}
module lock_buttons_cutout() {
module cutout_side(groove) {
translate(get_platform_lock_pin_pos()) lock_mechanism_button(groove=true);
}
cutout_side();
scale([1, -1, 1]) cutout_side();
}
module lock_mechanism() {
lock_pin(groove=false);
lock_arm();
lock_mechanism_button();
}
module lock_socket() {
pin_size=get_platform_lock_pin_size();
size=[pin_size.x, pin_size.y, pin_size.z];
module socket_connector() {
conn_size=[pin_size.x+4, get_platform_wall()*3, get_platform_top_size().z];
up(pin_size.z/2) fwd(pin_size.y+conn_size.y/2) right(pin_size.x/2) {
prismoid(size1=[conn_size.x, conn_size.y], size2=[conn_size.x, conn_size.y-2], shift=[0, -1], h=conn_size.z/2);
down(conn_size.z/4) cube([conn_size.x, conn_size.y, conn_size.z/2], center=true);
}
}
down(pin_size.z)
translate(get_platform_lock_pin_pos()) {
fwd(pin_size.y) scale([1, -1, -1]) lock_pin();
socket_connector();
}
}
module platform_locks_pins() {
platform_size=get_platform_size();
lock_pin_size=get_platform_lock_pin_size();
module lock_side(groove) {
translate(get_platform_lock_pin_pos()) lock_mechanism();
}
lock_side();
scale([1, -1, 1]) lock_side();
}
module platform_locks_sockets() {
lock_socket();
scale([1, -1, 1]) lock_socket();
}
module platform(base) { module platform(base) {
size=get_platform_size(); size=get_platform_size();
base_size=size; base_size=size;
@ -110,11 +43,29 @@ module platform(base) {
top_size=get_platform_top_size(); top_size=get_platform_top_size();
top=!base; top=!base;
module platform_screwholes() {
module screwhole_one() {
fwd(base_size.y/2) xrot(90) down(get_platform_screwhole_h()) screwhole(d=get_platform_screwhole_d(), h=get_platform_screwhole_h());
}
module screwhole_sided() {
offset=16;
left(offset) screwhole_one();
right(offset) screwhole_one();
}
up(top_size.z/5) {
screwhole_sided();
scale([1,-1,1]) screwhole_sided();
}
}
module base_platform_cutout_for_top() { module base_platform_cutout_for_top() {
base_top_diff=[base_size.x-top_size.x, base_size.y-top_size.y]; base_top_diff=[base_size.x-top_size.x, base_size.y-top_size.y];
guiding=0.4; guiding=1;
translate(get_platform_top_pos()) down(top_size.z/2) prismoid(size1=[top_size.x,top_size.y], size2=[top_size.x+base_top_diff.x*guiding,top_size.y+base_top_diff.y*guiding], h=top_size.z); top_slack=[0.2, 0.2, 0];
lock_buttons_cutout(); translate(get_platform_top_pos()) {
cube(vec_sum(top_size, top_slack), center=true);
down(top_size.z/2 - 2)
prismoid(size1=[top_size.x,top_size.y], size2=[top_size.x+base_top_diff.x*guiding,top_size.y+base_top_diff.y*guiding], h=top_size.z);
}
} }
module base_platform() { module base_platform() {
module base_platform_core() { module base_platform_core() {
@ -124,11 +75,18 @@ module platform(base) {
difference() { difference() {
base_platform_core(); base_platform_core();
base_platform_cutout_for_top(); base_platform_cutout_for_top();
platform_screwholes();
} }
} }
module top_platform() { module top_platform() {
up((base_size.z-top_size.z)/2) difference() {
braced_thinning_wall(h=top_size.y, l=top_size.x, thick=top_size.z, wall=0, strut=wall/4, orient=ORIENT_X_90); up((base_size.z-top_size.z)/2)
up(top_size.z/2) intersection() {
scale([1,1,4]) braced_thinning_wall(h=top_size.y, l=top_size.x, thick=top_size.z, wall=0, strut=wall/4, orient=ORIENT_X_90);
down(top_size.z/2) scale([2,2,1]) cube(top_size, center=true);
}
platform_screwholes();
}
} }
module strap_connectors() { module strap_connectors() {
@ -144,11 +102,9 @@ module platform(base) {
color(top?"Olive":"YellowGreen") color(top?"Olive":"YellowGreen")
if (base) { if (base) {
base_platform(); base_platform();
platform_locks_pins();
strap_connectors(); strap_connectors();
} else { } else {
top_platform(); top_platform();
platform_locks_sockets();
} }
} }

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@ -17,19 +17,6 @@ function get_platform_strap_connector_offset() = [
get_platform_size().y/2 + 4, get_platform_size().y/2 + 4,
-get_link_segment_size().z/2 + 0.5 -get_link_segment_size().z/2 + 0.5
]; ];
function get_platform_screwhole_d() = 3.2;
function get_platform_lock_pin_size() = [20, 4, 3]; function get_platform_screwhole_h() = 10;
function get_platform_lock_arm_size() = [46, 2, 3];
function get_platform_lock_pin_pos() = [-get_platform_lock_pin_size().x/2, -get_platform_top_size().y/2 + get_platform_wall()*4 + 1, get_platform_top_size().z/2];
function get_platform_lock_button_profile(groove) = groove ? [10, 5] : [7, 4.5];
function get_platform_lock_button_size(groove) = [
get_platform_lock_button_profile(groove).x,
get_platform_size().y * 0.25 + get_platform_lock_pin_size().y + 2,
get_platform_lock_button_profile(groove).y
];
function get_platform_lock_button_pos() = [
get_platform_lock_pin_size().x/2 + 5,
-get_platform_lock_button_size(false).y/2,
-get_platform_size().z/2
];

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@ -1,12 +1,15 @@
links_count=3; // [1..20] links_count=2; // [1..20]
include_terminal=true; // [true,false] include_terminal=true; // [true,false]
include_screwhole=true; // [true,false] include_screwhole=true; // [true,false]
clip_screwhole=2; clip_screwhole=2;
//export=302;//MODEL_CLIP_A;
//export=303;//MODEL_CLIP_B;
include <export.scad> include <export.scad>
//export=MODEL_LINKS;
//export=MODEL_CLIP_A;
//export=MODEL_CLIP_B;
//export=MODEL_CLIP_RATCHETING_A;
//export=MODEL_CLIP_RATCHETING_B;
use <BOSL/transforms.scad> use <BOSL/transforms.scad>
use <BOSL/shapes.scad> use <BOSL/shapes.scad>
include <BOSL/constants.scad> include <BOSL/constants.scad>