Charavane/gridfinity-rebuilt-openscad
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first pass at generating stacking tabs

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This is a bit hacky, but represents a proof of concept for trying to
make the sort of stacking tabs discussed in #81
This commit is contained in:
rpedde 2023-07-19 22:32:43 -05:00 committed by Ron Pedde
parent 36345f3efb
commit 7e78edc14b
3 changed files with 40 additions and 1 deletions
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4
gridfinity-rebuilt-bins.scad
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@ -70,6 +70,10 @@ enable_zsnap = false;
style_tab = 1; //[0:Full,1:Auto,2:Left,3:Center,4:Right,5:None]
// how should the top lip act
style_lip = 0; //[0: Regular lip, 1:remove lip subtractively, 2: remove lip and retain height]
// generate tabs on the lid to help align stacked bins
stacking_tabs = false;
// scoop weight percentage. 0 disables scoop, 1 is regular scoop. Any real number will scale the scoop.
scoop = 1; //[0:0.1:1]
// only cut magnet/screw holes at the corners of the bin to save uneccesary print time

3
gridfinity-rebuilt-lite.scad
View file

@ -33,7 +33,8 @@ divy = 2;
enable_zsnap = false;
// how should the top lip act
style_lip = 0; //[0: Regular lip, 1:remove lip subtractively, 2: remove lip and retain height]
// generate tabs on the lid to help align stacked bins
stacking_tabs = false;
/* [Other] */
// determine what the variable "gridz" applies to based on your use case
gridz_define = 0; // [0:gridz is the height of bins in units of 7mm increments - Zack's method,1:gridz is the internal height in millimeters, 2:gridz is the overall external height of the bin in millimeters]

34
gridfinity-rebuilt-utility.scad
View file

@ -136,6 +136,8 @@ module gridfinityInit(gx, gy, h, h0 = 0, l = l_grid, sl = 0) {
if ($style_lip == 0) profile_wall(h);
else profile_wall2(h);
}
if ((style_lip == 0) && stacking_tabs) generate_tabs();
}
// Function to include in the custom() module to individually slice bins
// Will try to clamp values to fit inside the provided base size
@ -624,3 +626,35 @@ module profile_cutter_tab(h, tab, ang) {
polygon([[0,h],[tab,h],[0,h-tab*tan(ang)]]);
}
module lip_tab(x, y) {
// I can't figure out what the wall thickness is, I'll assume 2.15
wall_thickness = 2.15;
// how much of the first outer bevel sits "above" the lip when these mate properly
// This is an odd unit of measure.
percent_over = .33;
distance_offset = (1 - percent_over) * wall_thickness;
rot = (x == $gxx) ? 180 : ((x == 0) ? 0 : ((y == $gyy) ? 270 : 90));
translate(
[(x * l_grid) - ((l_grid * $gxx / 2)),
(y * l_grid) - ((l_grid * $gyy / 2)),
$dh + h_lip + distance_offset]) {
rotate([0, 0, rot]) {
difference() {
translate([d_clear, 2 * r_c2, 0])
rotate([90, 0, 0])
hull() {
cube([r_f1, r_f1, 4 * r_c2]);
translate([wall_thickness - d_clear - r_f1, 0]) cube([r_f1, r_f1, 4 * r_c2]);
translate([wall_thickness - d_clear - r_f1, h_base - distance_offset - r_f1]) cube([r_f1, r_f1, 4 * r_c2]);
translate([r_f1, h_base - distance_offset - r_f1]) cylinder(r=r_f1, h=4* r_c2);
}
gridfinityBase(2, 2, l_grid, 1, 1, 0, 0.5, false);
}
}
}
}