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https://github.com/kennetek/gridfinity-rebuilt-openscad.git
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Fix Baseplate
Hole changes were not tested against it. Many oppertunities for improvements here.
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@ -1,5 +1,6 @@
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include <gridfinity-rebuilt-utility.scad>
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include <standard.scad>
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use <gridfinity-rebuilt-holes.scad>
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// ===== INFORMATION ===== //
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/*
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@ -57,7 +58,6 @@ style_hole = 2; // [0:none, 1:countersink, 2:counterbore]
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// ===== IMPLEMENTATION ===== //
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screw_together = (style_plate == 3 || style_plate == 4);
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color("tomato")
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gridfinityBaseplate(gridx, gridy, l_grid, distancex, distancey, style_plate, enable_magnet, style_hole, fitx, fity);
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@ -75,7 +75,7 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh, fitx, fit
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dx = max(gx*length-bp_xy_clearance, dix);
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dy = max(gy*length-bp_xy_clearance, diy);
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off = calculate_off(sp, sm, sh);
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off = calculate_offset(sp, sm, sh);
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offsetx = dix < dx ? 0 : (gx*length-bp_xy_clearance-dix)/2*fitx*-1;
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offsety = diy < dy ? 0 : (gy*length-bp_xy_clearance-diy)/2*fity*-1;
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@ -85,7 +85,7 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh, fitx, fit
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mirror([0,0,1])
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rounded_rectangle(dx, dy, h_base+off, r_base);
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gridfinityBase(gx, gy, length, 1, 1, 0, 0.5, false);
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gridfinityBase(gx, gy, length, 1, 1, bundle_hole_options(), 0.5, false);
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translate([offsetx,offsety,h_base-0.6])
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rounded_rectangle(dx*2, dy*2, h_base*2, r_base);
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@ -105,33 +105,38 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh, fitx, fit
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hole_pattern(){
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if (sm) block_base_hole(1);
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if (sm) {
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mirror([0, 0, 1])
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block_base_hole(bundle_hole_options(magnet_hole=true));
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}
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translate([0,0,-off])
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translate([0,0,-off-TOLLERANCE])
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if (sh == 1) cutter_countersink();
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else if (sh == 2) cutter_counterbore();
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}
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}
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}
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if (sp == 3 || sp ==4) cutter_screw_together(gx, gy, off);
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screw_together = sp == 3 || sp == 4;
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if (screw_together) cutter_screw_together(gx, gy, off);
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}
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}
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function calculate_off(sp, sm, sh) =
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screw_together
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? 6.75
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:sp==0
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?0
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: sp==1
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?bp_h_bot
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:h_skel + (sm
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?h_hole
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: 0)+(sh==0
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? d_screw
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: sh==1
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?d_cs
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:h_cb);
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function calculate_offset(style_plate, enable_magnet, style_hole) =
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assert(style_plate >=0 && style_plate <=4)
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let (screw_together = style_plate == 3 || style_plate == 4)
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screw_together ? 6.75 :
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style_plate==0 ? 0 :
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style_plate==1 ? bp_h_bot :
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calculate_offset_skeletonized(enable_magnet, style_hole);
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function calculate_offset_skeletonized(enable_magnet, style_hole) =
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h_skel + (enable_magnet ? MAGNET_HOLE_DEPTH : 0) +
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(
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style_hole==0 ? d_screw :
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style_hole==1 ? BASEPLATE_SCREW_COUNTERSINK_ADDITIONAL_RADIUS : // Only works because countersink is at 45 degree angle!
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BASEPLATE_SCREW_COUNTERBORE_HEIGHT
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);
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module cutter_weight() {
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union() {
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@ -156,23 +161,19 @@ module hole_pattern(){
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}
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module cutter_countersink(){
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cylinder(r = r_hole1+d_clear, h = 100*h_base, center = true);
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translate([0,0,d_cs])
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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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screw_hole(SCREW_HOLE_RADIUS + d_clear, 2*h_base,
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false, BASEPLATE_SCREW_COUNTERSINK_ADDITIONAL_RADIUS);
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}
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module cutter_counterbore(){
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cylinder(h=100*h_base, 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+d_clear+0.1,h_cb-h_slit])
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cube([r_cb*3,r_cb*3, 10]);
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screw_radius = SCREW_HOLE_RADIUS + d_clear;
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counterbore_height = BASEPLATE_SCREW_COUNTERBORE_HEIGHT + 2*LAYER_HEIGHT;
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union(){
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cylinder(h=2*h_base, r=screw_radius);
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difference() {
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cylinder(h = counterbore_height, r=BASEPLATE_SCREW_COUNTERBORE_RADIUS);
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make_hole_printable(screw_radius, BASEPLATE_SCREW_COUNTERBORE_RADIUS, counterbore_height);
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}
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}
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}
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@ -185,7 +186,7 @@ module profile_skeleton() {
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translate([l_grid/2-d_hole_from_side,l_grid/2-d_hole_from_side,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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circle(MAGNET_HOLE_RADIUS+r_skel+2);
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}
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}
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circle(r_skel);
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@ -220,7 +220,7 @@ module screw_hole(radius, height, supportless=false, chamfer_radius=0, chamfer_a
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* @param chamfer Add a chamfer to the magnet hole.
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* @param supportless If the magnet hole should be printed in such a way that the screw hole does not require supports.
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*/
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function bundle_hole_options(refined_hole=true, magnet_hole=false, screw_hole=false, crush_ribs=false, chamfer=false, supportless=false) =
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function bundle_hole_options(refined_hole=false, magnet_hole=false, screw_hole=false, crush_ribs=false, chamfer=false, supportless=false) =
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[refined_hole, magnet_hole, screw_hole, crush_ribs, chamfer, supportless];
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/**
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@ -230,6 +230,8 @@ function bundle_hole_options(refined_hole=true, magnet_hole=false, screw_hole=fa
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* @param o Offset
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*/
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module block_base_hole(hole_options, o=0) {
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assert(is_list(hole_options));
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// Destructure the options
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refined_hole = hole_options[0];
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magnet_hole = hole_options[1];
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@ -210,7 +210,7 @@ module profile_base() {
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]);
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}
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module gridfinityBase(gx, gy, l, dx, dy, hole_options, off=0, final_cut=true, only_corners=false) {
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module gridfinityBase(gx, gy, l, dx, dy, hole_options=bundle_hole_options(), off=0, final_cut=true, only_corners=false) {
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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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@ -21,6 +21,10 @@ l_grid = 42;
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// Per spec, matches radius of upper base section.
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r_base = r_fo1;
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// Tollerance to make sure cuts don't leave a sliver behind,
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// and that items are properly connected to each other.
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TOLLERANCE = 0.01;
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// ****************************************
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// Magnet / Screw Hole Constants
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// ****************************************
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@ -50,9 +54,14 @@ MAGNET_HOLE_CRUSH_RIB_INNER_RADIUS = 5.9 / 2;
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// Anything 5 or under produces a hole that is not round.
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MAGNET_HOLE_CRUSH_RIB_COUNT = 8;
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// Radius to add when chamfering magnet and screw holes.
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CHAMFER_ADDITIONAL_RADIUS = 0.8;
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CHAMFER_ANGLE = 45;
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// When countersinking the baseplate, how much to add to the screw radius.
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BASEPLATE_SCREW_COUNTERSINK_ADDITIONAL_RADIUS = 5/2;
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BASEPLATE_SCREW_COUNTERBORE_RADIUS = 5.5/2;
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BASEPLATE_SCREW_COUNTERBORE_HEIGHT = 3;
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// ****************************************
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// top edge fillet radius
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@ -114,13 +123,7 @@ bp_rcut_length = 4.25;
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bp_rcut_depth = 2;
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// Baseplate clearance offset
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bp_xy_clearance = 0.5;
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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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// minimum baseplate thickness (when skeletonized)
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h_skel = 1;
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