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screw-together working

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sacha 2022-12-27 15:22:36 -06:00
parent d1b6468d5a
commit c3a1bee8dc
1 changed files with 62 additions and 8 deletions
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66
gridfinity-rebuilt-baseplate.scad
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@ -22,6 +22,17 @@ gridy = 4;
// base unit
length = 42;
/* [Screw Together Settings - Defaults work for M3 and 4-40] */
// screw diameter
screw_d = 3.35;
// screw head diameter
screw_head_d = 5;
// screw spacing distance
screw_spacing=.5;
// number of screws per grid block
num_screws=1; // [1:3]
/* [Fit to Drawer] */
// minimum length of baseplate along x (leave zero to ignore, will automatically fill area if gridx is zero)
distancex = 0;
@ -31,19 +42,17 @@ distancey = 0;
/* [Styles] */
// baseplate styles
style_plate = 2; // [0: thin, 1:weighted, 2:skeletonized]
style_plate = 2; // [0: thin, 1:weighted, 2:skeletonized, 3: screw together]
// enable magnet hole
enable_magnet = true;
// hole styles
style_hole = 2; // [0:none, 1:contersink, 2:counterbore]
// ===== IMPLEMENTATION ===== //
color("tomato")
gridfinityBaseplate(gridx, gridy, length, distancex, distancey, style_plate, enable_magnet, style_hole);
gridfinityBaseplate(gridx, gridy, length, distancex, distancey, style_plate, enable_magnet);
@ -53,12 +62,15 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh) {
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])
@ -75,16 +87,19 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh) {
if (sp == 1)
translate([0,0,-off])
cutter_weight();
else if (sp == 2)
else if (sp == 2 || sp == 3){
linear_extrude(10*(h_base+off), center = true)
profile_skeleton();
profile_skeleton();}
translate([0,0,-off]) {
if (sh == 1) cutter_countersink();
else if (sh == 2) cutter_counterbore();
}
}
if (sp == 3)
screw_together(gx, gy);
}
}
module cutter_weight() {
@ -145,3 +160,42 @@ module profile_skeleton() {
circle(r_skel);
}
}
module screw_together(gx, gy) {
hole_length=15;
translate([0,0,-h_base*1.2])for(k=[-1:1:0]){//sides
translate([-(gx-1)*length/2,(gy-1)*length/2,0])
for(i=[0:gx-1]){//x holes
translate([i*length, k*gy*length,h_base/2])screw("y");
}
translate([(gx-1)*length/2,-(gy-1)*length/2,0])
for(j=[0:gy-1]){//y holes
translate([k*gx*length,j*length,h_base/2])screw("x");
}
}
module screw(axis="y"){
all_screws = (screw_head_d + screw_spacing) * (num_screws - 1);
if(axis=="x"){
translate([(length/2 - hole_length/2),-(all_screws)/2,0])
for(i=[0:num_screws-1])
translate([0,i*(screw_head_d + screw_spacing),0])
rotate([0,90,0])
cylinder(h=15, d=screw_d);//screws into positive y-axis
}
else if(axis=="y"){
translate([-(all_screws)/2,(length/2 - hole_length/2),0])
for(i=[0:num_screws-1])
translate([i*(screw_head_d + screw_spacing),0,0])
rotate([-90,0,0])
cylinder(h=15, d=screw_d);//screws into positive y-axis
}
}
}