frontcurve_avoid_y = 70;
frontcurve_z_slop = 0.75;
+frontcurve_strt_len = 60;
+frontcurve_dualcurve_angle = 90 - 65;
+
// calculated
TEST = false;
thehd_bl = -thehd_tr;
thehd_br = -thehd_tl;
+tablet_z_slop = rearcurve_z_slop;
+
interlock_rad = interlock_dia/2;
interlock_negative_rad = interlock_rad + 0.125;
translate(concat(botleft_post, [-1]))
cube(concat(topright_post-botleft_post, [tile_th+2]));
}
+ shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
minkowski(){
- Machine();
- cube(max(test_edge, tile_hard_edge_hole_dist)*2, center=true);
+ MachineEnvelope();
+ cube(shufflesz, center=true);
}
}
}
}
}
-module RoundCornerCut(ci) {
- // ci should be [this_cnr, right_cnr]
- // where right_cnr is to the right (ie, anticlockwise)
+m4_define(`ROUNDCORNER_VARS',`
this_cnr = ci[0];
right_cnr = ci[1];
- offr= round_cnr_rad - round_edge_rad;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- difference(){
- cube(offr*2 - 0.1, center=true);
- translate([offr, offr, 0])
- cylinder(center=true, h=20, r= offr);
+ left_cnr = ci[2];
+ bigr= round_cnr_rad - round_edge_rad;
+ l_uvec = unitvector2d(left_cnr - this_cnr);
+ r_uvec = unitvector2d(right_cnr - this_cnr);
+ lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
+ lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
+ lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
+ lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
+ ctr = line_intersection_2d(lp1,lp2,lp3,lp4)
+')
+
+module RoundCorner_selector(ci, adj) {
+ ROUNDCORNER_VARS;
+ echo("RCS",l_uvec,ctr);
+ union(){
+ INREFFRAME(this_cnr, right_cnr) {
+ cube(bigr*2 + adj, center=true);
+ }
+ }
+ %translate(concat(ctr,[0])) circle(1);
+ if(0){
+ union(){
+ INREFFRAME(this_cnr, right_cnr) {
+// %translate([ -bigr,-bigr,0 ])
+// cube([bigr*2 + adj, bigr*3, bigr*2]);
+ }
+ }
+ union(){
+ INREFFRAME(this_cnr, left_cnr) {
+ %translate([ -bigr,-bigr,0 ])
+ cube(bigr*2 + adj);
+ }
+ }}
+}
+
+module RoundCornerCut(ci) {
+ // ci should be [this_cnr, right_cnr, left_cnr]
+ // where right_cnr is to the right (ie, anticlockwise)
+ ROUNDCORNER_VARS;
+ difference(){
+ RoundCorner_selector(ci, -0.1);
+ INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
+ translate([bigr, bigr, 0])
+ cylinder(center=true, h=20, r= bigr);
}
}
}
module RoundCornerAdd(ci) {
- this_cnr = ci[0];
- right_cnr = ci[1];
- bigr = round_cnr_rad - round_edge_rad;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- intersection(){
- cube(bigr*2 + 0.1, center=true);
+ ROUNDCORNER_VARS;
+ intersection(){
+ RoundCorner_selector(ci, +0.1);
+ INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
translate([bigr, bigr, 0])
rotate_extrude(convexity=10, $fn=50)
translate([bigr, 0])
translate([0,0,-30]) linear_extrude(height=60) {
translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
intersection(){
- translate([-100, -ysz/2])
+ translate([-50, -ysz/2])
square([400, ysz]);
translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
circle(r=endrad, $fa=0.01,$fd=5);
machine_front_profile);
skew_angle = atan2( first_front[1] - first_rear[1],
first_front[0] - first_rear[0] );
- echo(below_point, pol, skew_angle);
+ //echo(below_point, pol, skew_angle);
hull(){
for (z=[0,-40]) {
translate([0,z]) {
sh = -[abs(posbox[0]), abs(posbox[1])];
rot = atan2(-sideline[0], sideline[1]);
sc = scaleline_mm / scaleline;
- echo("SH",sh,rot,sc);
+ //echo("SH",sh,rot,sc);
scale(sc) rotate(rot) translate(sh){
import("sewing-table-rear-profile.dxf", convexity=10); // spline, Pink3
}
module Machine_NewRearCurve(){
slant = atan2(4,210-10);
- echo("SL",slant);
+ //echo("SL",slant);
translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
- translate([ rearcurve_double_inrad, 0, 10 ]){
+ translate([ rearcurve_double_inrad,
+ 0,
+ -rearcurve_double_inrad + 10 ]){
rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
hull(){
Machine_NewRearProfile();
//%cube([20,20,20]);
translate([ -reartablet_x,
-1,
- -reartablet_z])
+ -reartablet_z + tablet_z_slop])
mirror([0,0,1])
cube([ reartablet_x+1,
reartablet_y+1,
Machine_Curves();
}
+module MachineEnvelope(){
+ // used for testing
+ p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
+ y_arm_t = cutout_tile11_y;
+ p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
+ y_crv_b = y_arm_t + rearcurve_avoid_y;
+
+ translate([0,0,-50]) linear_extrude(height= 100){
+ translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
+ translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
+ }
+}
+
function Rectangle_corners(c0, sz) =
// returns the corners of a rectangle from c0 to c0+sz
// if sz is positive, the corners are anticlockwise starting with c0
m4_dnl that denoted by ix, and the next one anticlockwise
m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
-module FitTest(){ ////toplevel
- sz = [275,180];
- c0 = [-40,-80];
+module FitTest_general(c0,sz, dobrace=false){
c = Rectangle_corners(c0, sz);
brace = [7,7,9];
difference(){
union(){
Rectangle_TileBase(c);
- translate(concat(c0, [-brace[2] + 0.1])){
- difference(){
- cube(concat(sz,[brace[2]]) - [5,0,0]);
- translate(brace + [0,0, -25])
- cube(concat(sz, [50]) - brace*2 + [10,0,0]);
+ if (dobrace) {
+ translate(concat(c0, [-brace[2] + 0.1])){
+ difference(){
+ cube(concat(sz,[brace[2]]) - [5,0,0]);
+ translate(brace + [0,0, -25])
+ cube(concat(sz, [50]) - brace*2 + [10,0,0]);
+ }
}
}
RoundEdge(R_EDGE(c,1));
}
}
+module FitTest_Entire(){ ////toplevel
+ FitTest_general([-40,-80], [275,180], dobrace=true);
+}
+
+module FitTest_RearCurve(){ ////toplevel
+ FitTest_general([110,0], [170,100]);
+}
+
module Tile02(){ ////toplevel
sz = [100,170];
c0 = tile02_tr + -sz;
sz = [250,170];
c0 = tile01_tr + [0,-sz[1]];
c = Rectangle_corners(c0, sz);
+
+ // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
+ c2bis = [ -cutout_l_end_x + rearedge_len + frontcurve_strt_len, c[2][1] ];
+ c1bis = [ c[1][0],
+ c[2][1] -
+ (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
+
cnr_posts = Rectangle_corners2posts(c);
cty = cutout_tile01_y;
rcy = cty + frontcurve_avoid_y;
rcs = [R_EDGE(c,1)];
difference(){
union(){
- Rectangle_TileBase(c);
- Posts(posts);
- RoundEdge(R_EDGE(c,0));
- RoundEdge(R_EDGE(c,1));
- InterlockEdge(tile_01_00_cnr, c[0]);
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,0));
+ RoundEdge(c[1], c1bis);
+ InterlockEdge(tile_01_00_cnr, c[0]);
+ }
+ RoundCornerCut(rcs);
+ translate([0,0,-20]) linear_extrude(height=40) {
+ polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
+ }
+ }
+ RoundEdge(c1bis, c2bis);
}
- RoundCornerCut(rcs);
Machine();
}
RoundCornerAdd(rcs);
+ RoundCornerAdd([c1bis,c2bis,c[1]]);
+}
+
+module FitTest_FrontCurve(){ ////toplevel
+ p0 = [110,-80];
+ sz = [170,80];
+ intersection() {
+ Tile00();
+ translate([0,0,-8]) linear_extrude(height=18) {
+ translate(p0) square(sz);
+ }
+ }
+}
+
+module RoundCornerDemo_plat(cnr){
+ mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
+}
+
+module RoundCornerDemo(){ ////toplevel
+ cnr = [ [0,0], [15,0], [-10,12] ];
+ translate([0,25,0]) RoundCornerDemo_plat(cnr);
+ translate([25,0,0]) RoundCornerAdd(cnr);
+ translate([-25,0,0]) RoundCornerCut(cnr);
+ translate([0,-25,0]) RoundCorner_selector(cnr, 0);
+ difference(){
+ RoundCornerDemo_plat(cnr);
+ RoundCornerCut(cnr);
+ }
+ RoundCornerAdd(cnr);
}
module Demo(){ ////toplevel
//Machine_Curves();
//Machine();
//FitTest();
+//MachineEnvelope();
~ianmdlvl / reprap-play.git / blobdiff