Pre-Fabrication Service + BOM Kit for K1 Filament Runout Sensor

This listing provides a custom fabrication service for producing the 3D-printed housing from the publicly available, non-commercial, share-alike licensed models linked below, along with sourcing and packaging of all required hardware components into a ready-to-assemble kit. You are not purchasing the licensed design itself—only the materials, fabrication time, and convenience of receiving everything in one package.

Original design sources (credited per license):

• https://www.printables.com/model/651002-k1-extruder-filament-runout-sensor
• https://www.printables.com/model/1277865-k1-extruder-filament-runout-sensor-improved-heat-d

Licensed under: Creative Commons BY-NC-SA 4.0

What's Included (BOM)
The service includes fabrication plus the following components packaged as a complete kit:
• 1× JST MX 1.25mm 3-pin pre-crimped wiring harness
• 1× microswitch
• 1× 4mm steel ball
• 1× M2 × 8mm STS screw
• 1× printed Runout Shell (Polycarbonate version depending on selected design)

Fabrication Details
The printed part is produced through JLCPCB fabrication services and stocked locally in the United States to provide fast, tariff-free shipping. Finished parts are inspected, cleaned, and packaged before shipment.

Important Licensing Note
The 3D model used for the shell is not my intellectual property. It is licensed under CC BY-NC-SA 4.0, which prohibits commercial sale of the design itself. This listing represents:
• A service to fabricate the part on your behalf
• A convenience kit containing the necessary off-the-shelf components
• Full attribution to the original creators
No modifications to the licensing terms are made or implied.

Who This Is For
This service is ideal for users who:
• Prefer not to print or fabricate the part themselves
• Want a complete, pre-sourced hardware kit
• Want fast U.S. fulfillment instead of overseas production delays

What You Receive
A ready-to-assemble kit containing all required parts, including the fabricated housing. Assembly and installation are performed by the end user.