Charavane/gridfinity-rebuilt-openscad
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separated out modules, added additional length

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people had requested being able to have spacers at the edges so the baseplates would with their drawers, so I added that
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kennetek 2022-10-11 19:05:18 -07:00
parent b717689c32
commit 12e1b6c945
2 changed files with 63 additions and 41 deletions
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3
gridfinity-constants.scad
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@ -78,3 +78,6 @@ r_cb = 2.75;
// baseplate counterbore depth
h_cb = 3;
// minimum baseplate thickness (when skeletonized)
h_skel = 1;

101
gridfinity-rebuild-baseplate.scad
View file

@ -20,76 +20,67 @@ gridy = 2;
// base unit
length = 42;
/* [Fit to Drawer] */
// minimum length of baseplate along x (leave zero to ignore, will automatically fill area if gridx is zero)
distancex = 0;
// minimum length of baseplate along y (leave zero to ignore, will automatically fill area if gridy is zero)
distancey = 0;
/* [Styles] */
// baseplate styles
style_plate = 2; // [0: thin, 1:weighted, 2:skeletonized]
style_plate = 1; // [0: thin, 1:weighted, 2:skeletonized]
// enable magnet hole
style_magnet = true;
enable_magnet = true;
// hole styles
style_hole = 2; // [0:none, 1:contersink, 2:counterbore]
style_hole = 1; // [0:none, 1:contersink, 2:counterbore]
// ===== Commands ===== //
color("tomato")
gridfinityBaseplate(gridx, gridy, length, style_plate, style_magnet, style_hole);
gridfinityBaseplate(gridx, gridy, length, distancex, distancey, style_plate, enable_magnet, style_hole);
// Baseplate modules
module gridfinityBaseplate(gridx, gridy, length, sp, sm, sh) {
// ===== Construction ===== //
module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh) {
off = (sp==0?0:sp==1?bp_h_bot:1+(sm?h_hole:0)+(sh==0?0:sh==1?d_cs:h_cb));
assert(gridx > 0 || dx > 0, "Must have positive x grid amount!");
assert(gridy > 0 || dy > 0, "Must have positive y grid amount!");
gx = gridx == 0 ? floor(dix/length) : gridx;
gy = gridy == 0 ? floor(diy/length) : gridy;
dx = max(gx*length-0.5, dix);
dy = max(gy*length-0.5, diy);
off = (sp==0?0:sp==1?bp_h_bot:h_skel+(sm?h_hole:0)+(sh==0?0:sh==1?d_cs:h_cb));
difference() {
translate([0,0,h_base])
mirror([0,0,1])
rounded_rectangle(gridx*length-0.5, gridy*length-0.5, h_base+off, r_base);
rounded_rectangle(dx, dy, h_base+off, r_base);
gridfinityBase(gridx, gridy, length, 1, 1, 0, 0.5, false);
gridfinityBase(gx, gy, length, 1, 1, 0, 0.5, false);
translate([0,0,h_base-0.6])
rounded_rectangle(gridx*length*2, gridy*length*2, h_base*2, r_base);
rounded_rectangle(dx*2, dy*2, h_base*2, r_base);
pattern_linear(gridx, gridy, length) {
if (sm)
block_base_hole(1);
pattern_linear(gx, gy, length) {
if (sm) block_base_hole(1);
if (sp == 1) {
if (sp == 1)
translate([0,0,-off])
cutter_weight();
} else if (sp == 2) {
else if (sp == 2)
linear_extrude(10*(h_base+off), center = true)
profile_skeleton();
}
if (sh == 1) {
pattern_circular(4)
translate([d_hole/2, d_hole/2, 0]) {
cylinder(r = r_hole1+d_clear, h = 10*(h_base+off), center = true);
translate([0,0,d_cs-off])
mirror([0,0,1])
hull() {
cylinder(h = d_cs+10, r=r_hole1+d_clear);
translate([0,0,d_cs])
cylinder(h=d_cs+10, r=r_hole1+d_clear+d_cs);
}
}
} else if (sh == 2) {
pattern_circular(4)
translate([d_hole/2,d_hole/2,-off]) {
cylinder(h=10*(h_base+off), r=r_hole1+d_clear, center=true);
difference() {
cylinder(h = 2*(h_cb+0.2), r=r_cb, center=true);
copy_mirror([0,1,0])
translate([-1.5*r_cb,r_hole1+0.1,h_cb])
cube([r_cb*3,r_cb*3, 0.4]);
}
}
translate([0,0,-off]) {
if (sh == 1) cutter_countersink();
else if (sh == 2) cutter_counterbore();
}
}
}
}
@ -109,6 +100,34 @@ module cutter_weight(){
}
}
module cutter_countersink() {
pattern_circular(4)
translate([d_hole/2, d_hole/2, 0]) {
cylinder(r = r_hole1+d_clear, h = 100*h_base, center = true);
translate([0,0,d_cs])
mirror([0,0,1])
hull() {
cylinder(h = d_cs+10, r=r_hole1+d_clear);
translate([0,0,d_cs])
cylinder(h=d_cs+10, r=r_hole1+d_clear+d_cs);
}
}
}
module cutter_counterbore() {
pattern_circular(4)
translate([d_hole/2,d_hole/2,0]) {
cylinder(h=100*h_base, r=r_hole1+d_clear, center=true);
difference() {
cylinder(h = 2*(h_cb+0.2), r=r_cb, center=true);
copy_mirror([0,1,0])
translate([-1.5*r_cb,r_hole1+0.1,h_cb])
cube([r_cb*3,r_cb*3, 0.4]);
}
}
}
module profile_skeleton() {
l = length-2*r_c2-2*r_c1;
minkowski() {