Press n or j to go to the next uncovered block, b, p or k for the previous block.
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export const TECHNIC_PART_CATALOG: Record<string, PartDefinition> = {
// Fastener Pins
'2780': {
partNumber: '2780',
name: 'Technic Pin with Friction Ridges Lengthwise and Center Slots',
role: 'FASTENER_PIN',
massGrams: 0.35,
dimensions: { x: 8, y: 8, z: 16 },
},
'3673': {
partNumber: '3673',
name: 'Technic Pin without Friction Ridges',
role: 'FASTENER_PIN',
massGrams: 0.34,
dimensions: { x: 8, y: 8, z: 16 },
},
'6558': {
partNumber: '6558',
name: 'Technic Pin 3L with Friction Ridges',
role: 'FASTENER_PIN',
massGrams: 0.52,
dimensions: { x: 8, y: 8, z: 24 },
},
'32054': {
partNumber: '32054',
name: 'Technic Pin 3L with Stop Bush',
role: 'FASTENER_PIN',
massGrams: 0.60,
dimensions: { x: 8, y: 8, z: 24 },
},
'3713': {
partNumber: '3713',
name: 'Technic Bush 1/1',
role: 'FASTENER_BUSH',
massGrams: 0.45,
dimensions: { x: 8, y: 8, z: 8 },
},
'50450': {
partNumber: '50450',
name: 'Technic Axle 19L Flexible with Soft Ends',
role: 'FASTENER_AXLE',
massGrams: 3.2,
dimensions: { x: 264, y: 6, z: 6 },
},
// Beams & Structural Frames
'32523': {
partNumber: '32523',
name: 'Technic Beam 3L',
role: 'STRUCTURAL_BEAM',
massGrams: 1.1,
dimensions: { x: 8, y: 8, z: 24 },
},
'32316': {
partNumber: '32316',
name: 'Technic Beam 5L',
role: 'STRUCTURAL_BEAM',
massGrams: 1.8,
dimensions: { x: 8, y: 8, z: 40 },
},
'32524': {
partNumber: '32524',
name: 'Technic Beam 7L',
role: 'STRUCTURAL_BEAM',
massGrams: 2.5,
dimensions: { x: 8, y: 8, z: 56 },
},
'40344': {
partNumber: '40344',
name: 'Technic Beam 11L',
role: 'STRUCTURAL_BEAM',
massGrams: 3.9,
dimensions: { x: 8, y: 8, z: 88 },
},
'64179': {
partNumber: '64179',
name: 'Technic Frame 5x7 Open',
role: 'STRUCTURAL_BEAM',
massGrams: 8.5,
dimensions: { x: 40, y: 8, z: 56 },
},
'39793': {
partNumber: '39793',
name: 'Technic Frame 11x15 Open',
role: 'STRUCTURAL_BEAM',
massGrams: 28.0,
dimensions: { x: 88, y: 8, z: 120 },
},
// Hub & Electronics
'45601': {
partNumber: '45601',
name: 'SPIKE Prime Large Hub (incl battery & 6-axis gyro)',
role: 'CHASSIS_CORE',
massGrams: 215.0,
dimensions: { x: 56, y: 40, z: 88 },
},
'45602': {
partNumber: '45602',
name: 'SPIKE Prime Large Angular Motor',
role: 'MOTOR_STATOR',
massGrams: 90.0,
dimensions: { x: 40, y: 48, z: 72 },
},
'45603': {
partNumber: '45603',
name: 'SPIKE Prime Medium Angular Motor',
role: 'MOTOR_STATOR',
massGrams: 65.0,
dimensions: { x: 40, y: 40, z: 64 },
},
'45605': {
partNumber: '45605',
name: 'SPIKE Prime Color Sensor',
role: 'SENSOR_COLOR',
massGrams: 22.0,
dimensions: { x: 24, y: 24, z: 40 },
},
'45604': {
partNumber: '45604',
name: 'SPIKE Prime Ultrasonic Distance Sensor',
role: 'SENSOR_DISTANCE',
massGrams: 35.0,
dimensions: { x: 48, y: 24, z: 40 },
},
// Wheels, Rims, Tires, Casters
'56145': {
partNumber: '56145',
name: 'Wheel 30.4mm D. x 20mm with Balloon Tire 56x26',
role: 'WHEEL_RIM',
massGrams: 18.0,
dimensions: { x: 56, y: 26, z: 56 },
},
'49283': {
partNumber: '49283',
name: 'Technic Ball Caster Housing & Metal Ball 16mm',
role: 'CASTER_SKID',
massGrams: 15.0,
dimensions: { x: 24, y: 24, z: 24 },
},
};
export function isChainPart(partNumber: string, submodel?: string): boolean {
const cleanPart = partNumber.replace(/\.dat$/i, '').trim().toLowerCase();
const sub = (submodel || '').trim().toLowerCase();
if (
/^(208|209|30104|3711|60447|57518|57539|3873|92338|63141|14696|14226|14210|24869|88323)$/i.test(cleanPart) ||
/chain|tread/i.test(cleanPart) ||
/chain|tread|30104/i.test(sub)
) {
return true;
}
return false;
}
/**
* Checks whether a part is any LEGO Technic pin, axle, bush, or pivot connector.
*/
export function isFastenerPart(partNumber: string): boolean {
const clean = partNumber.replace(/\.dat$/i, '').replace(/^bl_/, '').trim().toLowerCase();
return (
/^(2780|3673|6558|32054|32556|32556b|43093|11214|3749|4274|32002|4304|6562|18651|18654|3713|32123|32123a|32123b|4265|4265c|2736|3704|3705|3706|3707|3708|32062|4519|32073|44294|23948|50450|15462|87083|55013|59443|6538|6538c)$/i.test(
clean
) || /^(pin|axle|bush)/i.test(clean)
);
}
/**
* Checks whether a fastener specifically acts as a mechanical pivot / rotation axle
* (e.g. cross axles, frictionless pins) rather than a rigid locking friction pin.
*/
export function isPivotFastener(partNumber: string): boolean {
const clean = partNumber.replace(/\.dat$/i, '').replace(/^bl_/, '').trim().toLowerCase();
return /^(3673|3749|43093|3704|3705|3706|3707|3708|32062|4519|32073|44294|23948|50450)$/i.test(
clean
);
}
export function lookupPartRole(partNumber: string): PartRole {
const cleanPart = partNumber.replace(/\.dat$/i, '').replace(/^bl_/, '').trim();
const entry = TECHNIC_PART_CATALOG[cleanPart];
if (entry) return entry.role;
// Chain and flexible linkages
if (isChainPart(cleanPart)) return 'CHAIN_LINK';
// Fasteners
if (
/axle/i.test(cleanPart) ||
/^(3704|3705|3706|3707|3708|32062|4519|32073|44294|23948|50450|15462|87083|55013|59443|6538|6538c)$/i.test(cleanPart)
) {
return 'FASTENER_AXLE';
}
if (
/bush/i.test(cleanPart) ||
/^(3713|32123|32123a|32123b|4265|4265c)$/i.test(cleanPart)
) {
return 'FASTENER_BUSH';
}
if (isFastenerPart(cleanPart)) {
return 'FASTENER_PIN';
}
// Fallback heuristics based on common naming / numbering
if (/motor/i.test(cleanPart)) return 'MOTOR_STATOR';
if (/wheel|tire|rim/i.test(cleanPart)) return 'WHEEL_RIM';
if (/beam|liftarm|frame/i.test(cleanPart)) return 'STRUCTURAL_BEAM';
if (/sensor.*color/i.test(cleanPart)) return 'SENSOR_COLOR';
if (/sensor.*dist/i.test(cleanPart)) return 'SENSOR_DISTANCE';
return 'GENERIC_RIGID';
}
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