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add baseplate modules

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This commit is contained in:
Ruud Swinkels 2022-10-04 21:40:20 +02:00
parent 107ca358de
commit 473dc07ffa
2 changed files with 96 additions and 2 deletions
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35
gridfinity-constants.scad
View file

@ -46,3 +46,38 @@ a_tab = 36;
d_wall2 = r_base-r_c1-d_clear*sqrt(2);
d_magic = -2*d_clear-2*d_wall+d_div;
// Baseplate constants
// Baseplate top part height (weigthed=false part)
bp_h_top = 4.65;
// Baseplate bottom part height (part added with weigthed=true)
bp_h_bot = 6.4;
// Baseplate z offset
bp_z_offset = 0.1;
// Baaseplate fitting clearance
bp_clear = 0.5;
// Baseplate countersink hole biggest diameter
bp_csink_d1 = 8.5;
// Baseplate countersink hole height
bp_csink_h = 2.5;
// Baseplate bottom cutout rectangle size
bp_cut_size = 21.4;
// Baseplate bottom cutout rectangle depth
bp_cut_depth = 4;
// Baseplate bottom cutout rounded thingy width
bp_rcut_width = 8.5;
// Baseplate bottom cutout rounded thingy left
bp_rcut_length = 4.25;
// Baseplate bottom cutout rounded thingy depth
bp_rcut_depth = 2;

63
gridfinity-rebuilt-utility.scad
View file

@ -79,7 +79,7 @@ module profile_base() {
]);
}
module gridfinityBase(gx, gy, l, dx, dy, style_hole) {
module gridfinityBase(gx, gy, l, dx, dy, style_hole, block_scale=1, final_cut=true) {
dbnxt = [for (i=[1:5]) if (abs(gx*i)%1 < 0.001 || abs(gx*i)%1 > 0.999) i];
dbnyt = [for (i=[1:5]) if (abs(gy*i)%1 < 0.001 || abs(gy*i)%1 > 0.999) i];
dbnx = 1/(dx==0 ? len(dbnxt) > 0 ? dbnxt[0] : 1 : round(dx));
@ -91,12 +91,14 @@ module gridfinityBase(gx, gy, l, dx, dy, style_hole) {
rounded_rectangle(xx+0.002, yy+0.002, h_bot/1.5, r_fo1/2+0.001);
intersection(){
if(final_cut) {
translate([0,0,-1])
rounded_rectangle(xx+0.005, yy+0.005, h_base+h_bot/2*10, r_fo1/2+0.001);
}
render()
difference() {
pattern_linear(gx/dbnx, gy/dbny, dbnx*l, dbny*l)
scale([block_scale,block_scale,1])
block_base_solid(dbnx, dbny, l);
if (style_hole > 0)
@ -138,6 +140,7 @@ module block_base_hole(style_hole) {
}
if (style_hole > 1)
cylinder(h = 3*h_base, r = r_hole1, center=true);
}
}
@ -378,6 +381,62 @@ module profile_cutter_tab(h, tab, ang) {
}
// Baseplate modules
module baseplate(gridx, gridy, length, div_base_x, div_base_y, style_hole, weighted, bottom_cutout) {
scale_factor = (bp_clear / (length /100)) /100 + 1;
union() {
difference(){
rounded_rectangle(gridx*length, gridy*length, bp_h_top + bp_z_offset - 0.001, r_base);
translate([0,0,-bp_z_offset])
gridfinityBase(gridx, gridy, length, div_base_x, div_base_y, 0, scale_factor, false);
}
if(weighted) {
difference() {
translate([0,0,-1*(bp_h_bot - bp_clear)])
rounded_rectangle(gridx*length, gridy*length, bp_h_bot, r_base);
pattern_linear(gridx, gridy, length)
union() {
block_base_hole(style_hole);
//TODO Do this part inside block_base_hole as it shares everything except the
// countersink cylinder? Maybe make an extra hole type
if (style_hole > 2) {
translate([0,0,-1*(bp_h_bot + bp_z_offset)])
pattern_circular(4)
translate([d_hole/2, d_hole/2, 0])
cylinder(bp_csink_h, d1=bp_csink_d1, r2=r_hole1);
}
if (bottom_cutout) {
translate([0,0,-1*(bp_h_bot + bp_z_offset)])
bottom_cutout();
}
}
}
}
}
}
module bottom_cutout(){
union() {
linear_extrude(bp_cut_depth)
square(bp_cut_size, center=true);
pattern_circular(4)
translate([0,10,0])
linear_extrude(bp_rcut_depth)
union() {
square([bp_rcut_width, bp_rcut_length], center=true);
translate([0,bp_rcut_length/2,0])
circle(d=bp_rcut_width);
}
}
}
// ==== Utilities =====
function clp(x,a,b) = min(max(x,a),b);