Brackets and mounts
Reciprocating filament guide - exploded multi-part
- Bounding box
- 515 × 50 × 22 mm
- Engine
- 3D Printing B-rep
- Parameters
- 42
- Published
- November 1, 2026
Download
Free to download and use. See the terms.
The prompt
Create a precision 3D-printable mechanical assembly. The script MUST define a top-level function build(params). Design an automatic reciprocating filament guide mechanism for a 3D filament rewinder. Include: - TR8x4 lead screw interface. - Matching T8 anti-backlash nut holder. - Moving carriage with 8 mm linear guide rod holes. - Filament guide eyelet for 1.75 mm filament. - Two adjustable mechanical end-stop interfaces. - Mounting holes for M5 screws. Carriage travel: 67 mm. Use millimeters. Generate separate solid bodies suitable for STL export. Ensure all components fit together with realistic FDM clearances.
Parameters
| Name | Value | Range |
|---|---|---|
| Exploded row gap | 90 mm | 80 – 250 |
| Guide rods center spacing | 24 mm | 16 – 40 |
| M3 clearance hole diameter | 3.4 mm | 3.2 – 5 |
| M5 clearance hole diameter | 5.2 mm | 5.2 – 6 |
| Base length | 120 mm | 80 – 200 |
| Base width | 50 mm | 30 – 100 |
| Base thickness | 8 mm | 4 – 15 |
| Guide rod seat diameter | 8.2 mm | 8.2 – 10 |
| Lead screw seat diameter | 8.2 mm | 8.2 – 10 |
| M5 hole spread along X | 100 mm | 60 – 120 |
| M5 hole spread along Y | 38 mm | 20 – 50 |
| End-stop rail slot length | 40 mm | 20 – 80 |
| End-stop rail slot Y offset | 19 mm | 10 – 24 |
| End-stop rail slot width | 3.4 mm | 3.2 – 5 |
| Carriage X length | 36 mm | 20 – 100 |
| Carriage Y width | 28 mm | 16 – 80 |
| Carriage Z height | 18 mm | 8 – 40 |
| Carriage guide rod hole diameter | 8.2 mm | 8.2 – 10 |
| Carriage lead screw hole diameter | 8.2 mm | 8.2 – 10 |
| M3 boss outer diameter | 6 mm | 5 – 10 |
| M3 boss height | 4 mm | 2 – 10 |
| M3 boss hole spacing | 18 mm | 12 – 30 |
| Nut holder X length | 24 mm | 20 – 40 |
| Nut holder Y width | 24 mm | 20 – 40 |
| Nut holder Z height | 14 mm | 8 – 30 |
| T8 anti-backlash nut pocket diameter | 10.2 mm | 10.2 – 14 |
| Nut holder M3 bolt spacing | 18 mm | 12 – 30 |
| Spring relief slot width | 2 mm | 1 – 4 |
| Spring relief slot depth | 7 mm | 4 – 12 |
| End stop X length | 20 mm | 12 – 40 |
| End stop Y width | 25 mm | 12 – 50 |
| End stop Z height | 10 mm | 6 – 25 |
| End stop slot length | 12 mm | 8 – 20 |
| End stop slot width | 3.2 mm | 3.2 – 5 |
| End stop M3 clamp hole diameter | 3.4 mm | 3.2 – 5 |
| Bumper diameter | 6 mm | 4 – 12 |
| Bumper protrusion | 3 mm | 1 – 8 |
| Eyelet square side | 10 mm | 8 – 20 |
| Eyelet press depth | 6 mm | 4 – 15 |
| Press-fit clearance | 0.15 mm | 0.1 – 0.4 |
| Filament bore diameter | 2 mm | 1.8 – 3 |
| Lead-in chamfer height | 1.5 mm | 0.8 – 3 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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