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Add Gridfinity Refined thumbscrew option #226

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merged 4 commits into from
Oct 8, 2024
Merged

Add Gridfinity Refined thumbscrew option #226

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1b2a55c
Add gridfinity refined thumbscrew option
andrewguy Oct 3, 2024
f696668
Move threads.scad to external libraries
andrewguy Oct 4, 2024
326fdec
Refactor ScrewHole into a call to ScrewThread. Add documentation.
andrewguy Oct 4, 2024
b5c1d5f
Fix whitespace issues
andrewguy Oct 7, 2024
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4 changes: 3 additions & 1 deletion gridfinity-rebuilt-bins.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,8 @@ crush_ribs = true;
chamfer_holes = true;
// Magnet/Screw holes will be printed so supports are not needed.
printable_hole_top = true;
// Enable "gridfinity-refined" thumbscrew hole in the center of each base: https://www.printables.com/model/413761-gridfinity-refined
enable_thumbscrew = false;

hole_options = bundle_hole_options(refined_holes, magnet_holes, screw_holes, crush_ribs, chamfer_holes, printable_hole_top);

Expand All @@ -112,7 +114,7 @@ gridfinityInit(gridx, gridy, height(gridz, gridz_define, style_lip, enable_zsnap
cutCylinders(n_divx=cdivx, n_divy=cdivy, cylinder_diameter=cd, cylinder_height=ch, coutout_depth=c_depth, orientation=c_orientation, chamfer=c_chamfer);
}
}
gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, hole_options, only_corners=only_corners);
gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, hole_options, only_corners=only_corners, thumbscrew=enable_thumbscrew);
}


Expand Down
45 changes: 31 additions & 14 deletions gridfinity-rebuilt-utility.scad
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Expand Up @@ -7,6 +7,7 @@
include <standard.scad>
use <generic-helpers.scad>
use <gridfinity-rebuilt-holes.scad>
use <threads.scad>

// ===== User Modules ===== //

Expand Down Expand Up @@ -202,16 +203,18 @@ module cut_move(x, y, w, h) {
/**
*@summary Create the base of a gridfinity bin, or use it for a custom object.
* @param length X,Y size of a single Gridfinity base.
* @param thumbscrew Enable "gridfinity-refined" thumbscrew hole in the center of each base unit. This is a ISO Metric Profile, 15.0mm size, M15x1.5 designation.
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*/
module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options(), off=0, final_cut=true, only_corners=false) {
module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options(), off=0, final_cut=true, only_corners=false, thumbscrew=false) {
assert(
is_num(gx) &&
is_num(gy) &&
is_num(length) &&
is_num(dx) &&
is_num(dy) &&
is_bool(final_cut) &&
is_bool(only_corners)
is_bool(only_corners) &&
is_bool(thumbscrew)
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);

dbnxt = [for (i=[1:5]) if (abs(gx*i)%1 < 0.001 || abs(gx*i)%1 > 0.999) i];
Expand Down Expand Up @@ -242,7 +245,7 @@ module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options()
if(only_corners) {
difference(){
pattern_linear(grid_size.x, grid_size.y, base_center_distance_mm.x, base_center_distance_mm.y)
block_base(bundle_hole_options(), 0, individual_base_size_mm);
block_base(bundle_hole_options(), 0, individual_base_size_mm, thumbscrew=thumbscrew);

copy_mirror([0, 1, 0]) {
copy_mirror([1, 0, 0]) {
Expand All @@ -258,7 +261,7 @@ module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options()
}
else {
pattern_linear(grid_size.x, grid_size.y, base_center_distance_mm.x, base_center_distance_mm.y)
block_base(hole_options, off, individual_base_size_mm);
block_base(hole_options, off, individual_base_size_mm, thumbscrew=thumbscrew);
}
}

Expand All @@ -268,7 +271,7 @@ module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options()
* @param off
* @param size [x, y] size of a single base. Only set if deviating from the standard!
*/
module block_base(hole_options, off=0, size=[BASE_SIZE, BASE_SIZE]) {
module block_base(hole_options, off=0, size=[BASE_SIZE, BASE_SIZE], thumbscrew=false) {
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assert(is_list(size) && len(size) == 2);

// How far, in the +x direction,
Expand All @@ -291,15 +294,29 @@ module block_base(hole_options, off=0, size=[BASE_SIZE, BASE_SIZE]) {
translate([translation_x, 0, 0])
polygon(BASE_PROFILE);

rounded_square(
[
base_bottom_size.x + TOLLERANCE,
base_bottom_size.y + TOLLERANCE,
BASE_PROFILE_MAX.y
],
translation_x,
center=true
);
if (thumbscrew) {
ScrewHole(15, 5, position=[0, 0, 0], pitch=1.5) {
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rounded_square(
[
base_bottom_size.x + TOLLERANCE,
base_bottom_size.y + TOLLERANCE,
BASE_PROFILE_MAX.y
],
translation_x,
center=true
);
}
} else {
rounded_square(
[
base_bottom_size.x + TOLLERANCE,
base_bottom_size.y + TOLLERANCE,
BASE_PROFILE_MAX.y
],
translation_x,
center=true
);
}
}

// 4 holes
Expand Down
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