3D Printer Rail-Mounted Foot
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Mountable feet for 2040/4040 extrusions, adds felt-pad dampening and under-frame wire space.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution
3D Printer Rail-Mounted Foot (with Felt Pad Recess)
Need some sturdy feet for your printer or CNC frame, with a little vibration dampening and space to route wires underneath? This foot is designed to mount directly to 2020-compatible extrusions (such as 2040 or 4040 base frames) using standard M3 hardware with T-nuts or drop-in nuts.
The top features a 2 mm recess sized for a 1" round felt furniture pad, giving you about 1 mm of cushioned dampening once installed. That little bit of give helps soften vibration and reduce noise, while also protecting your work surface.
Key Features:
- Fits dual-channel 2020 extrusion systems (works great on 2040/4040 frames).
- Mounting holes sized for M3 screws (3.5 mm through-holes).
- 50 mm tall body + 2 mm recess for felt pad; ~51.125 mm total height with a standard 1/8" thick felt pad.
- Provides clearance under your frame for wire routing, airflow, or accessories.
- Prints solid - I used 100% infill for peace of mind, but you can adjust to your own needs.
Assembly:
- Drop in M3 T-nuts (or use M3 drop-ins).
- Mount foot with M3 screws.
- Stick on a 1" round felt pad.
- Done — your machine now has a clean, cushioned stance.
This design is simple, functional, and a little overbuilt — exactly how I like my printer mods.