diff --git a/gridfinity-rebuilt-baseplate.scad b/gridfinity-rebuilt-baseplate.scad index ea08d14..6892dd1 100644 --- a/gridfinity-rebuilt-baseplate.scad +++ b/gridfinity-rebuilt-baseplate.scad @@ -22,6 +22,17 @@ gridy = 4; // base unit length = 42; +/* [Screw Together Settings - Defaults work for M3 and 4-40] */ +// screw diameter +d_screw = 3.35; +// screw head diameter +d_screw_head = 5; +// screw spacing distance +screw_spacing = .5; +// number of screws per grid block +n_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; @@ -31,20 +42,17 @@ distancey = 0; /* [Styles] */ // baseplate styles -style_plate = 2; // [0: thin, 1:weighted, 2:skeletonized] +style_plate = 3; // [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); // ===== CONSTRUCTION ===== // @@ -53,12 +61,14 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh) { assert(gridx > 0 || dix > 0, "Must have positive x grid amount!"); assert(gridy > 0 || diy > 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 +85,19 @@ 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(); + } translate([0,0,-off]) { if (sh == 1) cutter_countersink(); else if (sh == 2) cutter_counterbore(); } } - } + if (sp == 3) cutter_screw_together(gx, gy, off); + } + } module cutter_weight() { @@ -144,4 +157,20 @@ module profile_skeleton() { } circle(r_skel); } +} + +module cutter_screw_together(gx, gy, off) { + + screw(gx, gy); + rotate([0,0,90]) + screw(gy, gx); + + module screw(a, b) { + copy_mirror([1,0,0]) + translate([a*length/2, 0, -off/2]) + pattern_linear(1, b, 1, length) + pattern_linear(1, n_screws, 1, d_screw_head + screw_spacing) + rotate([0,90,0]) + cylinder(h=length/2, d=d_screw, center = true); + } } \ No newline at end of file