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https://github.com/kennetek/gridfinity-rebuilt-openscad.git
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Merge pull request #229 from kennetek/base_updates
Base Simplification & Fixes
This commit is contained in:
Arthur Moore
GitHub
commit
a9e2618160
3 changed files with 41 additions and 45 deletions
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@ -80,12 +80,6 @@ style_lip = 0; //[0: Regular lip, 1:remove lip subtractively, 2: remove lip and
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// scoop weight percentage. 0 disables scoop, 1 is regular scoop. Any real number will scale the scoop.
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scoop = 1; //[0:0.1:1]
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/* [Base] */
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// number of divisions per 1 unit of base along the X axis. (default 1, only use integers. 0 means automatically guess the right division)
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div_base_x = 0;
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// number of divisions per 1 unit of base along the Y axis. (default 1, only use integers. 0 means automatically guess the right division)
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div_base_y = 0;
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/* [Base Hole Options] */
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// only cut magnet/screw holes at the corners of the bin to save uneccesary print time
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only_corners = false;
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@ -120,7 +114,7 @@ gridfinityInit(gridx, gridy, height(gridz, gridz_define, style_lip, enable_zsnap
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cutCylinders(n_divx=cdivx, n_divy=cdivy, cylinder_diameter=cd, cylinder_height=ch, coutout_depth=c_depth, orientation=c_orientation, chamfer=c_chamfer);
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}
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}
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gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, hole_options, only_corners=only_corners, thumbscrew=enable_thumbscrew);
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gridfinityBase([gridx, gridy], hole_options=hole_options, only_corners=only_corners, thumbscrew=enable_thumbscrew);
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}
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@ -131,7 +125,7 @@ gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, hole_options, only_
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gridfinityInit(3, 3, height(6), 0, 42) {
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cutEqual(n_divx = 3, n_divy = 3, style_tab = 0, scoop_weight = 0);
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}
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gridfinityBase(3, 3, 42, 0, 0, 1);
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gridfinityBase([3, 3]);
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*/
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// Compartments can be placed anywhere (this includes non-integer positions like 1/2 or 1/3). The grid is defined as (0,0) being the bottom left corner of the bin, with each unit being 1 base long. Each cut() module is a compartment, with the first four values defining the area that should be made into a compartment (X coord, Y coord, width, and height). These values should all be positive. t is the tab style of the compartment (0:full, 1:auto, 2:left, 3:center, 4:right, 5:none). s is a toggle for the bottom scoop.
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@ -148,7 +142,7 @@ gridfinityInit(3, 3, height(6), 0, 42) {
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cut(1.5, 0, 1.5, 5/3, 2);
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cut(1.5, 5/3, 1.5, 4/3, 4);
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}
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gridfinityBase(3, 3, 42, 0, 0, 1);
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gridfinityBase([3, 3]);
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*/
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// Compartments can overlap! This allows for weirdly shaped compartments, such as this "2" bin.
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@ -172,7 +166,7 @@ gridfinityInit(3, 3, height(6), 0, 42) {
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pattern_linear(x=1, y=3, sx=42/2)
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cylinder(r=5, h=1000, center=true);
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}
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gridfinityBase(3, 3, 42, 0, 0, 1);
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gridfinityBase([3, 3]);
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*/
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// You can use loops as well as the bin dimensions to make different parametric functions, such as this one, which divides the box into columns, with a small 1x1 top compartment and a long vertical compartment below
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@ -185,7 +179,7 @@ gridfinityInit(gx, gy, height(6), 0, 42) {
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cut(i,gx-1,1,1);
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}
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}
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gridfinityBase(gx, gy, 42, 0, 0, 1);
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gridfinityBase([gx, gy]);
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*/
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// Pyramid scheme bin
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@ -197,5 +191,5 @@ gridfinityInit(gx, gy, height(6), 0, 42) {
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for (j = [0:i])
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cut(j*gx/(i+1),gy-i-1,gx/(i+1),1,0);
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}
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gridfinityBase(gx, gy, 42, 0, 0, 1);
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gridfinityBase([gx, gy]);
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*/
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@ -16,9 +16,9 @@ $fs = 0.25;
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/* [General Settings] */
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// number of bases along x-axis
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gridx = 3;
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gridx = 3; //.5
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// number of bases along y-axis
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gridy = 3;
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gridy = 3; //.5
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// bin height. See bin height information and "gridz_define" below.
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gridz = 6;
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@ -41,10 +41,6 @@ gridz_define = 0; // [0:gridz is the height of bins in units of 7mm increments -
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style_tab = 1; //[0:Full,1:Auto,2:Left,3:Center,4:Right,5:None]
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/* [Base] */
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// number of divisions per 1 unit of base along the X axis. (default 1, only use integers. 0 means automatically guess the right division)
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div_base_x = 0;
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// number of divisions per 1 unit of base along the Y axis. (default 1, only use integers. 0 means automatically guess the right division)
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div_base_y = 0;
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// thickness of bottom layer
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bottom_layer = 1;
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@ -70,27 +66,27 @@ hole_options = bundle_hole_options(refined_holes, magnet_holes, screw_holes, cru
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// Input all the cutter types in here
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color("tomato")
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gridfinityLite(gridx, gridy, gridz, gridz_define, style_lip, enable_zsnap, l_grid, div_base_x, div_base_y, hole_options, only_corners) {
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gridfinityLite(gridx, gridy, gridz, gridz_define, style_lip, enable_zsnap, l_grid, hole_options, only_corners) {
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cutEqual(n_divx = divx, n_divy = divy, style_tab = style_tab, scoop_weight = 0);
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}
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// ===== CONSTRUCTION ===== //
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module gridfinityLite(gridx, gridy, gridz, gridz_define, style_lip, enable_zsnap, length, div_base_x, div_base_y, style_hole, only_corners) {
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module gridfinityLite(gridx, gridy, gridz, gridz_define, style_lip, enable_zsnap, length, style_hole, only_corners) {
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height_mm = height(gridz, gridz_define, style_lip, enable_zsnap);
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union() {
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difference() {
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union() {
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gridfinityInit(gridx, gridy, height_mm, 0, length, sl=style_lip)
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children();
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gridfinityBase(gridx, gridy, length, div_base_x, div_base_y, style_hole, only_corners=only_corners);
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gridfinityBase([gridx, gridy], [length, length], hole_options=style_hole, only_corners=only_corners);
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}
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difference() {
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union() {
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intersection() {
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difference() {
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gridfinityBase(gridx, gridy, length, div_base_x, div_base_y, style_hole, -d_wall*2, false, only_corners=only_corners);
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gridfinityBase([gridx, gridy], [length, length], hole_options=style_hole, -d_wall*2, false, only_corners=only_corners);
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translate([-gridx*length/2,-gridy*length/2,2*h_base])
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cube([gridx*length,gridy*length,1000]);
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}
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@ -123,7 +119,7 @@ module gridfinityLite(gridx, gridy, gridz, gridz_define, style_lip, enable_zsnap
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intersection() {
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difference() {
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gridfinityBase(gridx, gridy, length, div_base_x, div_base_y, style_hole, -d_wall*2, false, only_corners=only_corners);
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gridfinityBase([gridx, gridy], [length, length], hole_options=style_hole, -d_wall*2, false, only_corners=only_corners);
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translate([-gridx*length/2,-gridy*length/2,2*h_base])
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cube([gridx*length,gridy*length,1000]);
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}
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@ -218,41 +218,47 @@ module cut_move(x, y, w, h) {
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/**
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*@summary Create the base of a gridfinity bin, or use it for a custom object.
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* @param length X,Y size of a single Gridfinity base.
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* @param grid_size Number of bases in each dimension. [x, y]
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* @param grid_dimensions [length, width] of a single Gridfinity base.
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* @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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*/
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module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options(), off=0, final_cut=true, only_corners=false, thumbscrew=false) {
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module gridfinityBase(grid_size, grid_dimensions=[l_grid, l_grid], hole_options=bundle_hole_options(), off=0, final_cut=true, only_corners=false, thumbscrew=false) {
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assert(is_list(grid_dimensions) && len(grid_dimensions) == 2 &&
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grid_dimensions.x > 0 && grid_dimensions.y > 0);
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assert(is_list(grid_size) && len(grid_size) == 2 &&
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grid_size.x > 0 && grid_size.y > 0);
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assert(
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is_num(gx) &&
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is_num(gy) &&
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is_num(length) &&
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is_num(dx) &&
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is_num(dy) &&
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is_bool(final_cut) &&
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is_bool(only_corners) &&
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is_bool(thumbscrew)
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);
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dbnxt = [for (i=[1:5]) if (abs(gx*i)%1 < 0.001 || abs(gx*i)%1 > 0.999) i];
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dbnyt = [for (i=[1:5]) if (abs(gy*i)%1 < 0.001 || abs(gy*i)%1 > 0.999) i];
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dbnx = 1/(dx != 0 ? round(dx) : (len(dbnxt) > 0 ? dbnxt[0] : 1));
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dbny = 1/(dy != 0 ? round(dy) : (len(dbnyt) > 0 ? dbnyt[0] : 1));
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// Per spec, there's a 0.5mm gap between each base.
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// This must be kept constant or half bins may not work correctly.
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gap_mm = l_grid - BASE_SIZE;
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// Divisions per grid
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// Normal, half, or quarter grid sizes supported.
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// Automatically calculated using floating point comparisons.
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dbnxt = [for (i=[1,2,4]) if (abs(grid_size.x*i)%1 < 0.001 || abs(grid_size.x*i)%1 > 0.999) i];
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dbnyt = [for (i=[1,2,4]) if (abs(grid_size.y*i)%1 < 0.001 || abs(grid_size.y*i)%1 > 0.999) i];
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assert(len(dbnxt) > 0 && len(dbnyt) > 0, "Base only supports half and quarter grid spacing.");
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divisions_per_grid = [dbnxt[0], dbnyt[0]];
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// Final size in number of bases
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grid_size = [gx/dbnx, gy/dbny];
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final_grid_size = [grid_size.x * divisions_per_grid.x, grid_size.y * divisions_per_grid.y];
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// Per spec, there's a 0.5mm gap between each base,
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// But that needs to be scaled based on everything else.
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individual_base_size_mm = [dbnx, dbny] * BASE_SIZE;
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base_center_distance_mm = [dbnx, dbny] * length;
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gap_mm = base_center_distance_mm - individual_base_size_mm;
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base_center_distance_mm = [grid_dimensions.x / divisions_per_grid.x, grid_dimensions.y / divisions_per_grid.y];
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individual_base_size_mm = [base_center_distance_mm.x - gap_mm, base_center_distance_mm.y - gap_mm];
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// Final size of the base top. In mm.
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// subtracting gap_mm here to remove an outer lip along the peremiter.
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grid_size_mm = [
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base_center_distance_mm.x * grid_size.x,
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base_center_distance_mm.y * grid_size.y,
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] - gap_mm;
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base_center_distance_mm.x * final_grid_size.x - gap_mm,
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base_center_distance_mm.y * final_grid_size.y - gap_mm
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];
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// Top which ties all bases together
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if (final_cut) {
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translate([0, 0, h_base-TOLLERANCE])
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rounded_square([grid_size_mm.x, grid_size_mm.y, h_bot], BASE_OUTSIDE_RADIUS, center=true);
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@ -260,7 +266,7 @@ module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options()
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if(only_corners) {
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difference(){
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pattern_linear(grid_size.x, grid_size.y, base_center_distance_mm.x, base_center_distance_mm.y)
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pattern_linear(final_grid_size.x, final_grid_size.y, base_center_distance_mm.x, base_center_distance_mm.y)
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block_base(bundle_hole_options(), 0, individual_base_size_mm, thumbscrew=thumbscrew);
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copy_mirror([0, 1, 0]) {
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@ -276,7 +282,7 @@ module gridfinityBase(gx, gy, length, dx, dy, hole_options=bundle_hole_options()
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}
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}
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else {
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pattern_linear(grid_size.x, grid_size.y, base_center_distance_mm.x, base_center_distance_mm.y)
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pattern_linear(final_grid_size.x, final_grid_size.y, base_center_distance_mm.x, base_center_distance_mm.y)
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block_base(hole_options, off, individual_base_size_mm, thumbscrew=thumbscrew);
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}
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}
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