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Chris Palmer
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readme.md
12
readme.md
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@ -208,7 +208,7 @@ exposing enough information to make a battery box.
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<a name="Belts"></a>
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## Belts
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Models timing belt running over toothed or smooth pulleys and calculates an accurate length.
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Only models 2D paths, so not core XY!
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Only models 2D paths, so not crossed belt core XY!
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To make the back of the belt run against a smooth pulley on the outside of the loop specify a negative pitch radius.
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@ -250,15 +250,16 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
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| Qty | Module call | BOM entry |
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| ---:|:--- |:---|
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| 1 | ```belt(GT2x6, [ ... ])``` | Belt GT2 x 6mm x 128mm |
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| 1 | ```belt(GT2x6, [ ... ], 80, [0, 0])``` | Belt GT2 x 6mm x 696mm |
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| 2 | ```belt(GT2x6, [ ... ], 80, [0, 0])``` | Belt GT2 x 6mm x 572mm |
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| 1 | ```belt(T2p5x6, [ ... ])``` | Belt T2.5 x 6mm x 130mm |
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| 1 | ```belt(T5x10, [ ... ])``` | Belt T5 x 10mm x 130mm |
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| 1 | ```belt(T5x6, [ ... ])``` | Belt T5 x 6mm x 130mm |
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| 1 | ```insert(F1BM3)``` | Heatfit insert M3 |
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| 2 | ```pulley(GT2x20_toothed_idler)``` | Pulley GT2 idler 20 teeth |
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| 2 | ```insert(F1BM3)``` | Heatfit insert M3 |
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| 2 | ```pulley(GT2x16_toothed_idler)``` | Pulley GT2 idler 16 teeth |
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| 4 | ```pulley(GT2x20_toothed_idler)``` | Pulley GT2 idler 20 teeth |
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| 2 | ```pulley(GT2x16_plain_idler)``` | Pulley GT2 idler smooth 9.63mm |
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| 2 | ```pulley(GT2x20ob_pulley)``` | Pulley GT2OB 20 teeth |
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| 1 | ```screw(M3_cs_cap_screw, 20)``` | Screw M3 cs cap x 20mm |
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| 2 | ```screw(M3_cs_cap_screw, 20)``` | Screw M3 cs cap x 20mm |
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| 4 | ```screw(M3_grub_screw, 6)``` | Screw M3 grub x 6mm |
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@ -757,6 +758,7 @@ LCD dispays.
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### Vitamins
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| Qty | Module call | BOM entry |
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| ---:|:--- |:---|
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| 1 | ```display(BigTreeTech_TFT35v3_0)``` | BigTreeTech TFT35 v3.0 |
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| 1 | ```display(HDMI5)``` | HDMI display 5" |
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| 1 | ```display(LCD1602A)``` | LCD display 1602A |
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| 1 | ```display(LCDS7282B)``` | LCD display S-7282B |
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@ -23,46 +23,52 @@ use <../vitamins/insert.scad>
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use <../utils/layout.scad>
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module belt_test() {
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p1 = [75, -50];
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p2 = [-75, -50];
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p3 = [-75, 100];
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p4 = [75, 100];
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p5 = [75 - pulley_pr(GT2x20ob_pulley) - pulley_pr(GT2x16_plain_idler), -pulley_pr(GT2x16_plain_idler)];
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p6 = [-75 + pulley_pr(GT2x20ob_pulley) + pulley_pr(GT2x16_plain_idler), -pulley_pr(GT2x16_plain_idler)];
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p5 = [75 + pulley_pr(GT2x20ob_pulley) - pulley_pr(GT2x16_plain_idler), +pulley_pr(GT2x16_plain_idler)];
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p6 = [-75 + pulley_pr(GT2x20ob_pulley) + pulley_pr(GT2x16_plain_idler), -pulley_pr(GT2x16_plain_idler)];
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translate(p1) pulley_assembly(GT2x20ob_pulley);
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translate(p2) pulley_assembly(GT2x20ob_pulley);
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translate(p3) pulley_assembly(GT2x20_toothed_idler);
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translate(p4) pulley_assembly(GT2x20_toothed_idler);
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module pulleys(flip = false) {
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translate(p2) rotate([0, flip ? 180 : 0, 0]) pulley_assembly(GT2x20ob_pulley);
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translate(p3) pulley_assembly(GT2x20_toothed_idler);
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translate(p4) pulley_assembly(GT2x20_toothed_idler);
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translate(p5) {
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pulley = GT2x16_toothed_idler;
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screw = find_screw(hs_cs_cap, pulley_bore(pulley));
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insert = screw_insert(screw);
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translate(p5) {
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pulley = GT2x16_plain_idler;
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screw = find_screw(hs_cs_cap, pulley_bore(pulley));
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insert = screw_insert(screw);
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pulley_assembly(pulley);
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translate_z(pulley_height(pulley) + pulley_offset(pulley) + screw_head_depth(screw, pulley_bore(pulley)))
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screw(screw, 20);
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translate_z(pulley_offset(pulley) - insert_length(insert))
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vflip()
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insert(insert);
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rotate([0, flip ? 180 : 0, 0]) {
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pulley_assembly(pulley);
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translate_z(pulley_height(pulley) + pulley_offset(pulley) + screw_head_depth(screw, pulley_bore(pulley)))
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screw(screw, 20);
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translate_z(pulley_offset(pulley) - insert_length(insert))
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vflip()
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insert(insert);
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}
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}
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translate(p6) pulley_assembly(GT2x16_plain_idler);
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}
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translate(p6) pulley_assembly(GT2x16_plain_idler);
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path = [ [p1.x, p1.y, pulley_pr(GT2x20ob_pulley)],
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[p5.x, p5.y, -pulley_pr(GT2x16_plain_idler)],
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path = [ [p5.x, p5.y, pulley_pr(GT2x16_plain_idler)],
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[p6.x, p6.y, -pulley_pr(GT2x16_plain_idler)],
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[p2.x, p2.y, pulley_pr(GT2x20ob_pulley)],
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[p3.x, p3.y, pulley_pr(GT2x20ob_pulley)],
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[p4.x, p4.y, pulley_pr(GT2x20ob_pulley)]
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];
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belt = GT2x6;
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belt(belt, path, 80, [0, 0]);
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pulleys();
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translate_z(20)
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hflip() {
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belt(belt, path, 80, [0, 0], belt_colour = grey(90), tooth_colour = grey(50));
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pulleys(flip=true);
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}
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translate([-25, 0])
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translate([-25, 0, 10])
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layout([for(b = belts) belt_width(b)], 10)
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rotate([0, 90, 0])
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belt(belts[$i], [[0, 0, 20], [0, 1, 20]], belt_colour = $i%2==0 ? grey(90) : grey(20), tooth_colour = $i%2==0 ? grey(70) : grey(50));
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@ -19,7 +19,7 @@
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//
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//! Models timing belt running over toothed or smooth pulleys and calculates an accurate length.
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//! Only models 2D paths, so not core XY!
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//! Only models 2D paths, so not crossed belt core XY!
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//!
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//! To make the back of the belt run against a smooth pulley on the outside of the loop specify a negative pitch radius.
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//!
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@ -73,6 +73,42 @@ SSD1963_4p3 = ["SSD1963_4p3", "LCD display SSD1963 4.3\"", 105.5, 67.2, 3.4, SSD
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[[0, -34.5], [12, -31.5]],
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];
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displays = [HDMI5, SSD1963_4p3, LCD1602A, LCDS7282B];
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BigTreeTech_TFT35v3_0_PCB = ["", "",
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110, 55.77, 1.6, 0, 3, 0, "green", false,
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[ [-3.12, 3.17], [-3.12, -3.17], [3.12, -3.17], [3.12, 3.17] ],
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[
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[ 10, 7.5, 0, "-button_6mm" ],
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[ 9, 43, 0, "-buzzer", 5, 9 ],
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[ 9, 27, 0, "-potentiometer" ],
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[ 102,28.82, 0, "uSD", [26.5, 16, 3] ],
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[16.5, 5.9, 0, "2p54boxhdr", 5, 2 ],
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[36.5, 5.9, 0, "2p54boxhdr", 5, 2 ],
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[56.5, 5.9, 0, "2p54boxhdr", 5, 2 ],
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[82.5, 4, 0, "jst_xh", 5 ],
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[26.5, 52.8, 180, "jst_xh", 2 ],
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[39.5, 52.8, 180, "jst_xh", 3 ],
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[52.5, 52.8, 180, "jst_xh", 3 ],
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[65.5, 52.8, 180, "jst_xh", 3 ],
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[78.5, 52.8, 180, "jst_xh", 3 ],
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[94.5, 52.8, 180, "jst_xh", 5 ],
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[ 8, 43, 180, "usb_A" ],
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[ 97, 4, 0, "chip", 9, 3.5, 1, grey(20) ],
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// ESP-8266
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[ 23, 28, 90, "2p54socket", 4, 2 ],
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],
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[]
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];
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BigTreeTech_TFT35v3_0 = ["BigTreeTech_TFT35v3_0", "BigTreeTech TFT35 v3.0",
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84.5, 54.5, 4, BigTreeTech_TFT35v3_0_PCB,
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[-6, 0, 0], // pcb offset
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[[-40, -26.5], [41.5, 26.5, 0.5]], // aperture
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[], // touch screen
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0, // thread length
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[], // clearance need for the ts ribbon
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];
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displays = [HDMI5, SSD1963_4p3, BigTreeTech_TFT35v3_0, LCD1602A, LCDS7282B];
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use <display.scad>
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