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https://github.com/kennetek/gridfinity-rebuilt-openscad.git
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moved func to baseplate file, organized features
functions in the utility file should be more applicable to "extension" modules, so the baseplate generation was moved to its file. Removed some constants that should be defined by already existing constants. Altered the base generator function to make an accurate model instead of using a scale.
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kennetek
parent
ee3fac92df
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b717689c32
3 changed files with 119 additions and 95 deletions
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@ -49,24 +49,9 @@ d_magic = -2*d_clear-2*d_wall+d_div;
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// Baseplate constants
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// Baseplate top part height (weigthed=false part)
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bp_h_top = 4.65;
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// Baseplate bottom part height (part added with weigthed=true)
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bp_h_bot = 6.4;
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// Baseplate z offset
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bp_z_offset = 0.1;
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// Baaseplate fitting clearance
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bp_clear = 0.5;
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// Baseplate countersink hole biggest diameter
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bp_csink_d1 = 8.5;
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// Baseplate countersink hole height
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bp_csink_h = 2.5;
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// Baseplate bottom cutout rectangle size
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bp_cut_size = 21.4;
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@ -81,3 +66,15 @@ bp_rcut_length = 4.25;
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// Baseplate bottom cutout rounded thingy depth
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bp_rcut_depth = 2;
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// countersink diameter for baseplate
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d_cs = 2.5;
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// radius of cutout for skeletonized baseplate
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r_skel = 2;
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// baseplate counterbore radius
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r_cb = 2.75;
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// baseplate counterbore depth
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h_cb = 3;
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@ -20,25 +20,107 @@ gridy = 2;
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// base unit
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length = 42;
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/* [Base] */
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style_hole = 1; // [0:no holes, 1:magnet holes only, 2: magnet and screw holes - no printable slit, 3: magnet and screw holes - printable slit, 4: magnet and countersunk screw holes]
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// number of divisions per 1 unit of base along the X axis. (default 1, only use integers. 0 means automatically guess the right division)
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div_base_x = 0;
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// number of divisions per 1 unit of base along the Y axis. (default 1, only use integers. 0 means automatically guess the right division)
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div_base_y = 0;
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/* [Styles] */
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/* [Togglles] */
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// baseplate styles
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style_plate = 2; // [0: thin, 1:weighted, 2:skeletonized]
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// weigthed baseplate with possibility for magnet / screw holes
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weigthed = true;
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// enable magnet hole
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style_magnet = true;
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// hole styles
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style_hole = 2; // [0:none, 1:contersink, 2:counterbore]
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// cutout in the bottom for weigthed baseplate only
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bottom_cutout = true;
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// ===== Commands ===== //
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color("tomato") {
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color("tomato")
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gridfinityBaseplate(gridx, gridy, length, style_plate, style_magnet, style_hole);
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baseplate(gridx, gridy, length, div_base_x, div_base_y, style_hole, weigthed, bottom_cutout);
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// Baseplate modules
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module gridfinityBaseplate(gridx, gridy, length, sp, sm, sh) {
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off = (sp==0?0:sp==1?bp_h_bot:1+(sm?h_hole:0)+(sh==0?0:sh==1?d_cs:h_cb));
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difference() {
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translate([0,0,h_base])
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mirror([0,0,1])
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rounded_rectangle(gridx*length-0.5, gridy*length-0.5, h_base+off, r_base);
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gridfinityBase(gridx, gridy, length, 1, 1, 0, 0.5, false);
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translate([0,0,h_base-0.6])
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rounded_rectangle(gridx*length*2, gridy*length*2, h_base*2, r_base);
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pattern_linear(gridx, gridy, length) {
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if (sm)
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block_base_hole(1);
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if (sp == 1) {
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translate([0,0,-off])
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cutter_weight();
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} else if (sp == 2) {
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linear_extrude(10*(h_base+off), center = true)
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profile_skeleton();
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}
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if (sh == 1) {
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pattern_circular(4)
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translate([d_hole/2, d_hole/2, 0]) {
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cylinder(r = r_hole1+d_clear, h = 10*(h_base+off), center = true);
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translate([0,0,d_cs-off])
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mirror([0,0,1])
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hull() {
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cylinder(h = d_cs+10, r=r_hole1+d_clear);
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translate([0,0,d_cs])
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cylinder(h=d_cs+10, r=r_hole1+d_clear+d_cs);
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}
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}
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} else if (sh == 2) {
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pattern_circular(4)
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translate([d_hole/2,d_hole/2,-off]) {
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cylinder(h=10*(h_base+off), r=r_hole1+d_clear, center=true);
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difference() {
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cylinder(h = 2*(h_cb+0.2), r=r_cb, center=true);
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copy_mirror([0,1,0])
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translate([-1.5*r_cb,r_hole1+0.1,h_cb])
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cube([r_cb*3,r_cb*3, 0.4]);
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}
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}
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}
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}
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}
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}
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module cutter_weight(){
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union() {
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linear_extrude(bp_cut_depth*2,center=true)
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square(bp_cut_size, center=true);
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pattern_circular(4)
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translate([0,10,0])
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linear_extrude(bp_rcut_depth*2,center=true)
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union() {
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square([bp_rcut_width, bp_rcut_length], center=true);
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translate([0,bp_rcut_length/2,0])
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circle(d=bp_rcut_width);
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}
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}
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}
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module profile_skeleton() {
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l = length-2*r_c2-2*r_c1;
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minkowski() {
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difference() {
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square([l-2*r_skel+2*d_clear,l-2*r_skel+2*d_clear], center = true);
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pattern_circular(4)
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translate([d_hole/2,d_hole/2,0])
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minkowski() {
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square([l,l]);
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circle(r_hole2+r_skel+2);
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}
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}
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circle(r_skel);
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}
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}
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@ -79,7 +79,7 @@ module profile_base() {
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]);
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}
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module gridfinityBase(gx, gy, l, dx, dy, style_hole, block_scale=1, final_cut=true) {
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module gridfinityBase(gx, gy, l, dx, dy, style_hole, off=0, final_cut=true) {
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dbnxt = [for (i=[1:5]) if (abs(gx*i)%1 < 0.001 || abs(gx*i)%1 > 0.999) i];
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dbnyt = [for (i=[1:5]) if (abs(gy*i)%1 < 0.001 || abs(gy*i)%1 > 0.999) i];
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dbnx = 1/(dx==0 ? len(dbnxt) > 0 ? dbnxt[0] : 1 : round(dx));
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@ -91,15 +91,14 @@ module gridfinityBase(gx, gy, l, dx, dy, style_hole, block_scale=1, final_cut=tr
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rounded_rectangle(xx+0.002, yy+0.002, h_bot/1.5, r_fo1/2+0.001);
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intersection(){
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if(final_cut) {
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if (final_cut)
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translate([0,0,-1])
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rounded_rectangle(xx+0.005, yy+0.005, h_base+h_bot/2*10, r_fo1/2+0.001);
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}
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render()
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difference() {
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pattern_linear(gx/dbnx, gy/dbny, dbnx*l, dbny*l)
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scale([block_scale,block_scale,1])
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block_base_solid(dbnx, dbny, l);
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block_base_solid(dbnx, dbny, l, off);
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if (style_hole > 0)
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pattern_linear(gx, gy, l)
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@ -108,25 +107,26 @@ module gridfinityBase(gx, gy, l, dx, dy, style_hole, block_scale=1, final_cut=tr
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}
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}
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module block_base_solid(dbnx, dbny, l) {
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module block_base_solid(dbnx, dbny, l, o) {
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xx = dbnx*l-0.05;
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yy = dbny*l-0.05;
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oo = (o/2)*(sqrt(2)-1);
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translate([0,0,h_base])
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mirror([0,0,1])
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union() {
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hull() {
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rounded_rectangle(xx-2*r_c2-2*r_c1,yy-2*r_c2-2*r_c1, h_base, r_fo3/2);
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rounded_rectangle(xx-2*r_c2, yy-2*r_c2, h_base-r_c1, r_fo2/2);
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rounded_rectangle(xx-2*r_c2-2*r_c1+o,yy-2*r_c2-2*r_c1+o, h_base+oo, r_fo3/2);
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rounded_rectangle(xx-2*r_c2+o, yy-2*r_c2+o, h_base-r_c1+oo, r_fo2/2);
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}
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hull() {
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rounded_rectangle(xx-2*r_c2, yy-2*r_c2,r_c2, r_fo2/2);
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rounded_rectangle(xx-2*r_c2+o, yy-2*r_c2+o,r_c2+oo, r_fo2/2);
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mirror([0,0,1])
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rounded_rectangle(xx, yy, h_bot/2, r_fo1/2);
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rounded_rectangle(xx+o, yy+o, h_bot/2+oo, r_fo1/2);
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}
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}
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}
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module block_base_hole(style_hole, cs_z=0) {
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module block_base_hole(style_hole) {
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pattern_circular(4)
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translate([d_hole/2, d_hole/2, 0])
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union() {
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@ -140,11 +140,6 @@ module block_base_hole(style_hole, cs_z=0) {
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}
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if (style_hole > 1)
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cylinder(h = 3*h_base, r = r_hole1, center=true);
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if (style_hole == 4 && cs_z != 0)
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translate([0,0,cs_z])
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cylinder(bp_csink_h, d2=bp_csink_d1, r1=r_hole1);
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}
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}
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@ -385,56 +380,6 @@ module profile_cutter_tab(h, tab, ang) {
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}
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// Baseplate modules
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module baseplate(gridx, gridy, length, div_base_x, div_base_y, style_hole, weighted, bottom_cutout) {
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scale_factor = (bp_clear / (length /100)) /100 + 1;
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union() {
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difference(){
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rounded_rectangle(gridx*length, gridy*length, bp_h_top + bp_z_offset - 0.001, r_base);
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translate([0,0,-bp_z_offset])
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gridfinityBase(gridx, gridy, length, div_base_x, div_base_y, 0, scale_factor, false);
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}
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if(weighted) {
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difference() {
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translate([0,0,-1*(bp_h_bot - bp_clear)])
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rounded_rectangle(gridx*length, gridy*length, bp_h_bot, r_base);
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pattern_linear(gridx, gridy, length)
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union() {
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if (style_hole != 0) {
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rotate([180,0,0])
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block_base_hole(style_hole, bp_h_bot - bp_z_offset - bp_csink_h);
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}
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if (bottom_cutout) {
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translate([0,0,-1*(bp_h_bot + bp_z_offset)])
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bottom_cutout();
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}
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}
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}
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}
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}
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}
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module bottom_cutout(){
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union() {
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linear_extrude(bp_cut_depth)
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square(bp_cut_size, center=true);
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pattern_circular(4)
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translate([0,10,0])
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linear_extrude(bp_rcut_depth)
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union() {
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square([bp_rcut_width, bp_rcut_length], center=true);
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translate([0,bp_rcut_length/2,0])
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circle(d=bp_rcut_width);
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}
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}
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}
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// ==== Utilities =====
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function clp(x,a,b) = min(max(x,a),b);
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