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Add camera sled

This commit is contained in:
Matt McWilliams 2023-11-24 10:58:20 -05:00
parent a22906d3c2
commit 7995665c6b
8 changed files with 192 additions and 33 deletions
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2
app/data/cfg.json
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@ -1,5 +1,5 @@
{ {
"version": "1.8.72", "version": "1.8.73",
"ext_port": 1111, "ext_port": 1111,
"profiles": { "profiles": {
"mcopy": { "mcopy": {

2
app/package-lock.json generated
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@ -1,6 +1,6 @@
{ {
"name": "mcopy-app", "name": "mcopy-app",
"version": "1.8.72", "version": "1.8.73",
"lockfileVersion": 2, "lockfileVersion": 2,
"requires": true, "requires": true,
"packages": { "packages": {

2
app/package.json
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@ -1,6 +1,6 @@
{ {
"name": "mcopy-app", "name": "mcopy-app",
"version": "1.8.72", "version": "1.8.73",
"description": "GUI for the mcopy small gauge film optical printer platform", "description": "GUI for the mcopy small gauge film optical printer platform",
"main": "main.js", "main": "main.js",
"scripts": { "scripts": {

2
data/cfg.json
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@ -1,5 +1,5 @@
{ {
"version": "1.8.72", "version": "1.8.73",
"ext_port": 1111, "ext_port": 1111,
"profiles": { "profiles": {
"mcopy": { "mcopy": {

4
package-lock.json generated
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@ -1,12 +1,12 @@
{ {
"name": "mcopy", "name": "mcopy",
"version": "1.8.72", "version": "1.8.73",
"lockfileVersion": 2, "lockfileVersion": 2,
"requires": true, "requires": true,
"packages": { "packages": {
"": { "": {
"name": "mcopy", "name": "mcopy",
"version": "1.8.72", "version": "1.8.73",
"license": "MIT", "license": "MIT",
"dependencies": { "dependencies": {
"arduino": "file:app/lib/arduino", "arduino": "file:app/lib/arduino",

2
package.json
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@ -1,6 +1,6 @@
{ {
"name": "mcopy", "name": "mcopy",
"version": "1.8.72", "version": "1.8.73",
"description": "Small gauge film optical printer platform", "description": "Small gauge film optical printer platform",
"main": "build.js", "main": "build.js",
"directories": { "directories": {

2
processing/mcopy/cfg.json
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@ -1,5 +1,5 @@
{ {
"version": "1.8.72", "version": "1.8.73",
"ext_port": 1111, "ext_port": 1111,
"profiles": { "profiles": {
"mcopy": { "mcopy": {

211
scad/mcopy_rails.scad
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@ -16,6 +16,18 @@ IN = 25.4;
RailSpacing = 110; //100 RailSpacing = 110; //100
RailVoid = 20.4; RailVoid = 20.4;
ThreadedRodSpacing = 50; ThreadedRodSpacing = 50;
LensDriveX = -ThreadedRodSpacing / 2;
CameraDriveX = ThreadedRodSpacing / 2;
CameraBearingsSpacing = 60;
CameraBearingM5Spacing = 98;
CameraBoltX = 75;
CameraBoltY = 80;
LensBearingsSpacing = 28;
LensBearingM5Spacing = 62;
RailEndX = RailSpacing + 72; RailEndX = RailSpacing + 72;
TNutVoid = 17; TNutVoid = 17;
BoltSpacingX = RailSpacing - 30; BoltSpacingX = RailSpacing - 30;
@ -210,10 +222,6 @@ module sled (pos = [0, 0, 0], rot = [90, 0, 0], Length = 60) {
} }
} }
module camera_sled (pos = [0, 0, 0], rot = [0, 0, 0]) {
translate(pos) sled(Length = 110);
}
module top_sled_bearing_void (pos = [0, 0, 0], rot = [0, 0, 0]) { module top_sled_bearing_void (pos = [0, 0, 0], rot = [0, 0, 0]) {
translate(pos) rotate(rot) { translate(pos) rotate(rot) {
//bearing void //bearing void
@ -235,7 +243,7 @@ module side_sled_bearing_void (pos = [0, 0, 0], rot = [0, 0, 0]) {
cylinder(r = R(8.3), h = 16, center = true, $fn = 80); cylinder(r = R(8.3), h = 16, center = true, $fn = 80);
translate([0, -50, 0]) cube([8.3, 100, 16 ], center = true, $fn = 60); translate([0, -50, 0]) cube([8.3, 100, 16 ], center = true, $fn = 60);
} }
translate([0, -18, 0]) cube([50, 27, 16.2], center = true, $fn = 60); translate([0, -18, 0]) cube([70, 27, 16.2], center = true, $fn = 60);
/*translate([0, -35 / 2, 0]) rotate([90, 0, 0]) { /*translate([0, -35 / 2, 0]) rotate([90, 0, 0]) {
cylinder(r = R(5.2), h = 40, center = true, $fn = 60); cylinder(r = R(5.2), h = 40, center = true, $fn = 60);
translate([0, 0, 27]) cylinder(r = R(9), h = 30, center = true, $fn = 60); translate([0, 0, 27]) cylinder(r = R(9), h = 30, center = true, $fn = 60);
@ -253,10 +261,18 @@ module lens_sled_m3_bolt_voids (pos = [0, 0, 0], rot = [0, 0, 0]) {
} }
} }
module lens_sled_m5_bolt_nut_voids (pos = [0, 0, 0], rot = [0, 0, 0], Angle = 360/12) { module sled_m5_bolt_nut_void (pos = [0, 0, 0], rot = [0, 0, 0], Angle = 360/12, BoltH = 40, HexH = 5) {
translate(pos) rotate(rot) { translate(pos) rotate(rot) {
cylinder(r = R(5.2), h = 40, center = true, $fn = 40); cylinder(r = R(5.2), h = BoltH, center = true, $fn = 40);
translate([0, 0, -3.5]) rotate([0, 0, Angle]) hex(9.2, 5); translate([0, 0, -3.5]) rotate([0, 0, Angle]) hex(9.2, HexH);
}
}
module m5_bolt_void (pos = [0, 0, 0], rot = [0, 0, 0], BoltH = 20, CapH = 20) {
$fn = 50;
translate(pos) rotate(rot) {
translate([0, 0, (CapH / 2) - 0.1]) cylinder(r = R(9), h = CapH, center = true);
translate([0, 0, -(BoltH / 2) + 0.1]) cylinder(r = R(5.1), h = BoltH, center = true);
} }
} }
@ -274,14 +290,13 @@ module extrusion_block (pos = [0, 0, 0], rot = [0, 0, 0], X = 40, Y = 40, Z = 30
module lens_sled (pos = [0, 0, 0], rot = [90, 0, 0]) { module lens_sled (pos = [0, 0, 0], rot = [90, 0, 0]) {
Y = 70; Y = 70;
LensDriveX = -ThreadedRodSpacing / 2;
LensFrameBlockY = (60 / 2) + (40 / 2) - 5; LensFrameBlockY = (60 / 2) + (40 / 2) - 5;
LensFrameM3VoidsZ = (60 / 2) + (40 / 2) - 12.5 + 5 + 6; LensFrameM3VoidsZ = (60 / 2) + (40 / 2) - 12.5 + 5 + 6;
LensFrameOffsetZ = 20; LensFrameOffsetZ = 20;
BearingsSpacing = 28; BearingsSpacing = LensBearingsSpacing;
BearingM5Spacing = 62; BearingM5Spacing = LensBearingM5Spacing;
translate(pos) rotate(rot) { translate(pos) rotate(rot) {
difference () { difference () {
@ -295,11 +310,12 @@ module lens_sled (pos = [0, 0, 0], rot = [90, 0, 0]) {
cube([30, 24 + 1, 34], center = true); cube([30, 24 + 1, 34], center = true);
} }
} }
T_nut_void ([LensDriveX, 0, (Y / 2) - (TNutVoid / 2) + 0.01], [180, 0, 0]);
T_nut_void ([LensDriveX, 0, -(Y / 2) + (TNutVoid / 2) - 0.01]);
//camera drive threaded rod passthrough //camera drive threaded rod passthrough
translate([-LensDriveX, 0, 0]) cylinder(r = R(ThreadDiameter + 1), h = Y + 1, center = true, $fn = 60); T_nut_void ([LensDriveX, 0, (Y / 2) - (TNutVoid / 2) + 0.01], [180, 0, 0]);
T_nut_void ([LensDriveX, 0, -(Y / 2) + (TNutVoid / 2) - 0.01]);
translate([CameraDriveX, 0, 0]) cylinder(r = R(ThreadDiameter + 1), h = Y + 1, center = true, $fn = 60);
// //
top_sled_bearing_void([RailSpacing / 2, 21.5, BearingsSpacing / 2], [0, 90, 0]); top_sled_bearing_void([RailSpacing / 2, 21.5, BearingsSpacing / 2], [0, 90, 0]);
top_sled_bearing_void([-RailSpacing / 2, 21.5, BearingsSpacing / 2], [0, -90, 0]); top_sled_bearing_void([-RailSpacing / 2, 21.5, BearingsSpacing / 2], [0, -90, 0]);
@ -317,10 +333,10 @@ module lens_sled (pos = [0, 0, 0], rot = [90, 0, 0]) {
//m5 bolt + nut for side radial bearing pressure plate //m5 bolt + nut for side radial bearing pressure plate
lens_sled_m5_bolt_nut_voids([(RailEndX / 2) - (40 / 2), 0, BearingM5Spacing / 2], [0, 90, 0]); sled_m5_bolt_nut_void([(RailEndX / 2) - (40 / 2), 0, BearingM5Spacing / 2], [0, 90, 0]);
lens_sled_m5_bolt_nut_voids([(RailEndX / 2) - (40 / 2), 0, -BearingM5Spacing / 2], [0, 90, 0]); sled_m5_bolt_nut_void([(RailEndX / 2) - (40 / 2), 0, -BearingM5Spacing / 2], [0, 90, 0]);
lens_sled_m5_bolt_nut_voids([(-RailEndX / 2) + (40 / 2), 0, BearingM5Spacing / 2], [0, -90, 0]); sled_m5_bolt_nut_void([(-RailEndX / 2) + (40 / 2), 0, BearingM5Spacing / 2], [0, -90, 0]);
lens_sled_m5_bolt_nut_voids([(-RailEndX / 2) + (40 / 2), 0, -BearingM5Spacing / 2], [0, -90, 0]); sled_m5_bolt_nut_void([(-RailEndX / 2) + (40 / 2), 0, -BearingM5Spacing / 2], [0, -90, 0]);
//motor void //motor void
@ -329,8 +345,8 @@ module lens_sled (pos = [0, 0, 0], rot = [90, 0, 0]) {
translate([LensFrameSpacingX - 35, 50 + 37.5 - 10, LensRodsOffsetZ]) rotate([90, 0, 0]) cylinder(r = R(9), h = 100, center = true, $fn = 60); translate([LensFrameSpacingX - 35, 50 + 37.5 - 10, LensRodsOffsetZ]) rotate([90, 0, 0]) cylinder(r = R(9), h = 100, center = true, $fn = 60);
//motor bolts //motor bolts
lens_sled_m5_bolt_nut_voids([LensFrameSpacingX - 35 - 27, 47, 12 + LensRodsOffsetZ], [0, -90, 0], Angle = 0); sled_m5_bolt_nut_void([LensFrameSpacingX - 35 - 27, 47, 12 + LensRodsOffsetZ], [0, -90, 0], Angle = 0);
lens_sled_m5_bolt_nut_voids([LensFrameSpacingX - 35 - 27, 47, -12 + LensRodsOffsetZ], [0, -90, 0], Angle = 0); sled_m5_bolt_nut_void([LensFrameSpacingX - 35 - 27, 47, -12 + LensRodsOffsetZ], [0, -90, 0], Angle = 0);
//linear bolts //linear bolts
translate([-LensFrameSpacingX + 35, 50 + 37.5 - 10, LensRodsOffsetZ]) rotate([90, 0, 0]) cylinder(r = R(8.6), h = 100, center = true, $fn = 60); translate([-LensFrameSpacingX + 35, 50 + 37.5 - 10, LensRodsOffsetZ]) rotate([90, 0, 0]) cylinder(r = R(8.6), h = 100, center = true, $fn = 60);
@ -355,8 +371,8 @@ module lens_sled (pos = [0, 0, 0], rot = [90, 0, 0]) {
module side_lens_sled_bearing_plate (pos = [0, 0, 0], rot = [0, 0, 0]) { module side_lens_sled_bearing_plate (pos = [0, 0, 0], rot = [0, 0, 0]) {
Y = 70; Y = 70;
BearingSpacing = 28; BearingSpacing = LensBearingSpacing;
BoltSpacing = 62; BoltSpacing = LensBearingM5Spacing;
translate(pos) rotate(rot) { translate(pos) rotate(rot) {
difference () { difference () {
cube([25, Y, 15.9], center = true); cube([25, Y, 15.9], center = true);
@ -370,7 +386,7 @@ module side_lens_sled_bearing_plate (pos = [0, 0, 0], rot = [0, 0, 0]) {
translate([-1, -BearingSpacing / 2, 0]) cylinder(r = R(27), h = 11, center = true, $fn = 120); translate([-1, -BearingSpacing / 2, 0]) cylinder(r = R(27), h = 11, center = true, $fn = 120);
translate([-10, 0, 0]) cube([25, Y, 11], center = true); translate([-10, 0, 0]) cube([25, Y, 11], center = true);
translate([-14, 0, 0])cube([25, Y, 15.9 + 1], center = true); translate([-14, 0, 0]) cube([25, Y, 15.9 + 1], center = true);
translate([-2, BearingSpacing / 2, 0]) cylinder(r = R(8), h = 15.9 + 1, center = true, $fn = 60); translate([-2, BearingSpacing / 2, 0]) cylinder(r = R(8), h = 15.9 + 1, center = true, $fn = 60);
translate([-2, -BearingSpacing / 2, 0]) cylinder(r = R(8), h = 15.9 + 1, center = true, $fn = 60); translate([-2, -BearingSpacing / 2, 0]) cylinder(r = R(8), h = 15.9 + 1, center = true, $fn = 60);
@ -381,6 +397,140 @@ module side_lens_sled_bearing_plate (pos = [0, 0, 0], rot = [0, 0, 0]) {
} }
} }
module bolt_slot (pos = [0, 0, 0], D1, D2, Len, H) {
translate([Len / 2, 0, (H / 2) - 0.1]) cylinder(r = R(D1), h = H, center = true, $fn = 40);
translate([Len / 2, 0, -(H / 2) + 0.1]) cylinder(r = R(D2), h = H, center = true, $fn = 60);
translate([-Len / 2, 0, (H / 2) - 0.1]) cylinder(r = R(D1), h = H, center = true, $fn = 40);
translate([-Len / 2, 0, -(H / 2) + 0.1]) cylinder(r = R(D2), h = H, center = true, $fn = 60);
translate([0, 0, (H / 2) - 0.1]) cube([Len, D1, H], center = true);
translate([0, 0, -(H / 2) + 0.1]) cube([Len, D2, H], center = true);
}
module camera_sled_bolt_slot (pos = [0, 0, 0], rot = [90, 0, 0], Bolt = "1/4", Len = 40, H = 33) {
AD1 = 6.25;
AD2 = 16;
BD1 = 9.75;
BD2 = 20;
translate(pos) rotate(rot) rotate([-90, 0, 0]) {
if (Bolt == "1/4") {
bolt_slot(D1 = AD1, D2 = AD2, Len = Len, H = H);
} else if (Bolt == "3/8") {
bolt_slot(D1 = BD1, D2 = BD2, Len = Len, H = H);
}
}
}
module camera_sled (pos = [0, 0, 0], rot = [90, 0, 0]) {
Y = 110;
BearingsSpacing = CameraBearingsSpacing;
BearingM5Spacing = CameraBearingM5Spacing;
BoltX = CameraBoltX;
BoltY = CameraBoltY;
BoltZ = 28;
translate(pos) rotate(rot) {
difference () {
sled(rot = [0, 0, 0], Length = Y);
T_nut_void ([CameraDriveX, 0, (Y / 2) - (TNutVoid / 2) + 0.01], [180, 0, 0]);
T_nut_void ([CameraDriveX, 0, -(Y / 2) + (TNutVoid / 2) - 0.01]);
translate([LensDriveX, 0, 0]) cylinder(r = R(ThreadDiameter + 1), h = Y + 1, center = true, $fn = 60);
//linear bearing voids
top_sled_bearing_void([RailSpacing / 2, 21.5, BearingsSpacing / 2], [0, 90, 0]);
top_sled_bearing_void([-RailSpacing / 2, 21.5, BearingsSpacing / 2], [0, -90, 0]);
top_sled_bearing_void([RailSpacing / 2, 21.5, -BearingsSpacing / 2], [0, 90, 0]);
top_sled_bearing_void([-RailSpacing / 2, 21.5, -BearingsSpacing / 2], [0, -90, 0]);
side_sled_bearing_void([(RailSpacing / 2) + 21.5, 0, BearingsSpacing / 2], [90, -90, 0]);
side_sled_bearing_void([-(RailSpacing / 2) - 21.5, 0, BearingsSpacing / 2], [-90, -90, 0]);
side_sled_bearing_void([(RailSpacing / 2) + 21.5, 0, -BearingsSpacing / 2], [90, -90, 0]);
side_sled_bearing_void([-(RailSpacing / 2) - 21.5, 0, -BearingsSpacing / 2], [-90, -90, 0]);
//bolts for attaching side pressure plate
sled_m5_bolt_nut_void([(RailEndX / 2) - (40 / 2), 0, BearingM5Spacing / 2], [0, 90, 0]);
sled_m5_bolt_nut_void([(RailEndX / 2) - (40 / 2), 0, 0], [0, 90, 0]);
sled_m5_bolt_nut_void([(RailEndX / 2) - (40 / 2), 0, -BearingM5Spacing / 2], [0, 90, 0]);
sled_m5_bolt_nut_void([(-RailEndX / 2) + (40 / 2), 0, BearingM5Spacing / 2], [0, -90, 0]);
sled_m5_bolt_nut_void([(-RailEndX / 2) + (40 / 2), 0, 0], [0, -90, 0]);
sled_m5_bolt_nut_void([(-RailEndX / 2) + (40 / 2), 0, -BearingM5Spacing / 2], [0, -90, 0]);
//bolts to mount top pieces
m5_bolt_void([BoltX / 2, BoltZ, BoltY / 2], [90, 0, 0], BoltH = 25, CapH = 100);
m5_bolt_void([-BoltX / 2, BoltZ, BoltY / 2], [90, 0, 0], BoltH = 25, CapH = 100);
m5_bolt_void([BoltX / 2, BoltZ, -BoltY / 2], [90, 0, 0], BoltH = 25, CapH = 100);
m5_bolt_void([-BoltX / 2, BoltZ, -BoltY / 2], [90, 0, 0], BoltH = 25, CapH = 100);
}
}
}
module side_camera_sled_bearing_plate (pos = [0, 0, 0], rot = [0, 0, 0]) {
Y = 110;
BearingSpacing = CameraBearingsSpacing;
BoltSpacing = CameraBearingM5Spacing;
translate(pos) rotate(rot) {
difference () {
cube([25, Y, 15.9], center = true);
//sides
//translate([-9, 52, 0]) cube([25, Y, 15.9 + 1], center = true);
//translate([-9, -52, 0]) cube([25, Y, 15.9 + 1], center = true);
translate([-9, 0, 0]) cube([25, 22, 15.9 + 1], center = true);
//inner
translate([-1, BearingSpacing / 2, 0]) cylinder(r = R(27), h = 11, center = true, $fn = 120);
translate([-1, -BearingSpacing / 2, 0]) cylinder(r = R(27), h = 11, center = true, $fn = 120);
//
translate([-10, 0, 0]) cube([25, Y, 11], center = true);
translate([-14, 0, 0]) cube([25, Y, 15.9 + 1], center = true);
translate([-2, BearingSpacing / 2, 0]) cylinder(r = R(8), h = 15.9 + 1, center = true, $fn = 60);
translate([-2, -BearingSpacing / 2, 0]) cylinder(r = R(8), h = 15.9 + 1, center = true, $fn = 60);
//m5 bolt voids
translate([0, BoltSpacing / 2, 0]) rotate([0, 90, 0]) cylinder(r = R(5.2), h = 40, center = true, $fn = 40);
translate([0, 0, 0]) rotate([0, 90, 0]) cylinder(r = R(5.2), h = 40, center = true, $fn = 40);
translate([0, -BoltSpacing / 2, 0]) rotate([0, 90, 0]) cylinder(r = R(5.2), h = 40, center = true, $fn = 40);
}
}
}
module camera_sled_bolex (pos = [0, 0, 0], rot = [0, 0, 0]) {
Z = 33;
X = 100;
Y = 110;
CameraBolts = ["3/8", "1/4", "3/8"];
CameraBoltsY = [ -5.2, -27.35, -55.8 ];
CameraBoltsX = [0, 0, -6.8 ];
translate(pos) rotate(rot) {
difference () {
rounded_cube([X, Y, Z], d = 10, center = true, $fn = 40);
translate([0, 0, -20]) rounded_cube([CameraBoltX - 10, CameraBoltY - 10, Z], d = 10, center = true, $fn = 40);
sled_m5_bolt_nut_void([CameraBoltX / 2, CameraBoltY / 2, 10], BoltH = Z * 2, HexH = Z);
sled_m5_bolt_nut_void([-CameraBoltX / 2, CameraBoltY / 2, 10], BoltH = Z * 2, HexH = Z);
sled_m5_bolt_nut_void([CameraBoltX / 2, -CameraBoltY / 2, 10], BoltH = Z * 2, HexH = Z);
sled_m5_bolt_nut_void([-CameraBoltX / 2, -CameraBoltY / 2, 10], BoltH = Z * 2, HexH = Z);
//film plane
translate([X / 2, CameraBoltY / 2, 0]) rotate([0, 0, 45]) cube([1/2, 1/2, Z + 1], center = true);
translate([-X / 2, CameraBoltY / 2, 0]) rotate([0, 0, 45]) cube([1/2, 1/2, Z + 1], center = true);
//camera mounting bolts
translate([0, (Y / 2) - ((Y - CameraBoltY) / 2) - (9.6 - 5.2), -33 - 12]) {
for (i = [0 : 2]) {
camera_sled_bolt_slot([CameraBoltsX[i], CameraBoltsY[i], 50], Bolt = CameraBolts[i]);
}
}
}
}
}
module end_2020 (pos = [0, 0, 0], rot = [0, 0, 0], Z = 5) { module end_2020 (pos = [0, 0, 0], rot = [0, 0, 0], Z = 5) {
translate(pos) rotate(rot) { translate(pos) rotate(rot) {
difference () { difference () {
@ -731,7 +881,7 @@ module debug () {
//projector_orbital_brace_corner([0, 0, -8]); //projector_orbital_brace_corner([0, 0, -8]);
} }
module rail_sizing (L = 300) { module rail_sizing (L = 1000) {
SpacingY = L - 30; SpacingY = L - 30;
RailL = L; RailL = L;
difference () { difference () {
@ -744,12 +894,17 @@ module rail_sizing (L = 300) {
} }
translate([55, RailL / 2, 0]) rotate([90, 0, 0]) linear_extrude(height=RailL) 2020_profile(); translate([55, RailL / 2, 0]) rotate([90, 0, 0]) linear_extrude(height=RailL) 2020_profile();
rotate([90, 0, 0]) color("green") cylinder(r = R(ThreadDiameter), h = L, center = true, $fn = 60); rotate([90, 0, 0]) color("green") cylinder(r = R(ThreadDiameter), h = L, center = true, $fn = 60);
lens_sled();
//lens_sled();
camera_sled();
camera_sled_bolex([0, 0, 60]);
translate([25, -35+17, 0]) rotate([90, 0, 0]) color("green") cylinder(r = R(ThreadDiameter), h = L, center = true, $fn = 60); translate([25, -35+17, 0]) rotate([90, 0, 0]) color("green") cylinder(r = R(ThreadDiameter), h = L, center = true, $fn = 60);
color("red") side_camera_sled_bearing_plate([120, 0, 0]);
} }
PART = "rail_end_idle_motor_plug"; PART = "camera_sled_bolexx";
if (PART == "rail_end") { if (PART == "rail_end") {
rail_end(Projector = true); rail_end(Projector = true);
@ -757,6 +912,10 @@ if (PART == "rail_end") {
rail_end(Motors = false, Projector = false); rail_end(Motors = false, Projector = false);
} else if (PART == "lens_sled") { } else if (PART == "lens_sled") {
rotate([90, 0, 0]) lens_sled(); rotate([90, 0, 0]) lens_sled();
} else if (PART == "camera_sled") {
rotate([90, 0, 0]) camera_sled();
} else if (PART == "camera_sled_bolex") {
camera_sled_bolex(rot = [180, 0, 0]);
} else if (PART == "bearing_roller") { } else if (PART == "bearing_roller") {
bearing_roller(); bearing_roller();
} else if (PART == "bearing_roller_inner") { } else if (PART == "bearing_roller_inner") {