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Merge pull request #3 from Ruudjhuu/main

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Fixed wall profile and base tolerances to match original Gridfinity design
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Kenneth 2022-09-18 10:31:59 -07:00 committed by GitHub
commit 30ec1d44a0
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1 changed files with 40 additions and 35 deletions
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gridfinity-rebuilt-base.scad
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@ -10,8 +10,8 @@ d_height = dht2-h_base;
r_scoop = length*((d_height-2)/7+1)/12 - r_f2; // scoop radius
d_wall2 = r_base-r_c1-d_clear*sqrt(2);
xl = gridx*length-0.5-2*d_wall+d_div;
yl = gridy*length-0.5-2*d_wall+d_div;
xl = gridx*length-2*d_clear-2*d_wall+d_div;
yl = gridy*length-2*d_clear-2*d_wall+d_div;
echo("=====");
echo(height_total=d_height+h_base+(enable_lip?3.8:0));
@ -85,35 +85,40 @@ module profile_base() {
module block_base() {
translate([0,0,h_base])
rounded_rectangle(gridx*length-0.5+0.002, gridy*length-0.5+0.002, h_bot/1.5, r_fo1/2+0.001);
pattern_linear(gridx, gridy, length)
render()
difference() {
translate([0,0,h_base])
mirror([0,0,1])
union() {
hull() {
rounded_square(length-0.5-2*r_c2-2*r_c1, h_base, r_fo3/2);
rounded_square(length-0.5-2*r_c2, h_base-r_c1, r_fo2/2);
}
hull() {
rounded_square(length-0.5-2*r_c2, r_c2, r_fo2/2);
mirror([0,0,1])
rounded_square(length-0.5, h_bot/2, r_fo1/2);
}
}
if (enable_holes)
pattern_circular(4)
translate([d_hole/2, d_hole/2, 0]) {
intersection(){
translate([0,0,-1])
rounded_rectangle(gridx*length-0.5+0.005, gridy*length-0.5+0.005, h_base+h_bot/2*10, r_fo1/2+0.001);
pattern_linear(gridx, gridy, length)
render()
difference() {
translate([0,0,h_base])
mirror([0,0,1])
union() {
difference() {
cylinder(h = 2*(h_hole+(enable_hole_slit?0.2:0)), r = r_hole2, center=true);
if (enable_hole_slit)
copy_mirror([0,1,0])
translate([-1.5*r_hole2,r_hole1+0.1,h_hole])
cube([r_hole2*3,r_hole2*3, 0.4]);
hull() {
rounded_square(length-0.05-2*r_c2-2*r_c1, h_base, r_fo3/2);
rounded_square(length-0.05-2*r_c2, h_base-r_c1, r_fo2/2);
}
hull() {
rounded_square(length-0.05-2*r_c2, r_c2, r_fo2/2);
mirror([0,0,1])
rounded_square(length-0.05, h_bot/2, r_fo1/2);
}
}
if (enable_holes)
pattern_circular(4)
translate([d_hole/2, d_hole/2, 0]) {
union() {
difference() {
cylinder(h = 2*(h_hole+(enable_hole_slit?0.2:0)), r = r_hole2, center=true);
if (enable_hole_slit)
copy_mirror([0,1,0])
translate([-1.5*r_hole2,r_hole1+0.1,h_hole])
cube([r_hole2*3,r_hole2*3, 0.4]);
}
cylinder(h = 3*h_base, r = r_hole1, center=true);
}
cylinder(h = 3*h_base, r = r_hole1, center=true);
}
}
}
@ -125,13 +130,13 @@ module profile_wall_sub() {
[0,0],
[d_wall/2,0],
[d_wall/2,d_height-1.2-d_wall2+d_wall/2],
[d_wall2,d_height-1.2],
[d_wall2,d_height+h_base],
[d_wall2-d_clear,d_height-1.2],
[d_wall2-d_clear,d_height+h_base],
[0,d_height+h_base]
]);
color("red")
offset(delta = 0.25)
translate([r_base,d_height,0])
translate([r_base-d_clear,d_height,0])
mirror([1,0,0])
profile_base();
square([d_wall,0]);
@ -143,12 +148,12 @@ module profile_wall() {
mirror([1,0,0])
difference() {
profile_wall_sub();
difference() {
difference() {
translate([0, d_height+h_base-d_clear*sqrt(2), 0])
circle(r_base/2);
offset(r = r_f1)
offset(delta = -r_f1)
profile_wall_sub();
profile_wall_sub();
}
}
}
@ -184,7 +189,7 @@ module block_cutter(x,y,w,h,t,s) {
v_len_tab = d_tabh;
v_len_lip = d_wall2-d_wall+1.2;
v_cut_tab = d_tabh - (2*r_f1)/tan(a_tab);
v_cut_lip = d_wall2-d_wall;
v_cut_lip = d_wall2-d_wall-d_clear;
v_ang_tab = a_tab;
v_ang_lip = 45;