Brackets and mounts
IV Tube Clamp with Servo Flow Control
- Bounding box
- 82.0 × 50.0 × 38.0 mm
- Engine
- Precision B-rep
- Parameters
- 43
- Published
- November 2, 2026
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Free to download and use. See the terms.
The prompt
Design a fully functional 3D printable IV tube clamp with a servo-controlled flow control mechanism. The design should consist of: - A fixed bottom clamp with a semi-circular groove for holding a flexible IV tube (3–5 mm outer diameter). - A movable top clamp that moves vertically to compress the tube. - The top clamp should be driven by a standard SG90 micro servo motor using a servo horn connected to a pivoting lever. - Include a hinged mechanism so the servo rotation converts into vertical linear motion. - Add textured serrated gripping surfaces inside both clamps to prevent tube slipping while allowing smooth flow regulation. - Four screw holes at the corners for assembly using M3 screws. - Separate printable parts for easy assembly: 1. Bottom body 2. Top movable clamp 3. Servo mount 4. Pivot arm 5. Servo linkage 6. Side supports - Designed for FDM 3D printing with PLA. - Print without supports whenever possible. - Wall thickness around 2–3 mm. - Mechanical tolerances of 0.25 mm between moving parts. - Compact dimensions approximately: Width: 60 mm Height: 45 mm Depth: 35 mm - The servo should mount flush to one side with accessible mounting holes. - The mechanism must smoothly adjust IV tube compression from fully open (maximum flow) to fully closed (minimum flow). - Include realistic mechanical joints and assembly-ready geometry suitable for Fusion 360, SolidWorks, or STEP format. - Engineering-grade mechanical design with clean edges, fillets, chamfers, and proper clearances.
Parameters
| Name | Value | Range |
|---|---|---|
| Base width | 60 mm | 40 – 100 |
| Base depth | 35 mm | 25 – 60 |
| Base height | 15 mm | 8 – 30 |
| Tube outer diameter | 4 mm | 3 – 6 |
| Groove clearance | 0.25 mm | 0 – 1 |
| Wall thickness | 2 mm | 1 – 5 |
| Mechanical tolerance | 0.25 mm | 0.1 – 1 |
| Screw clearance diameter | 3.2 mm | 2.5 – 5 |
| Corner hole margin | 5 mm | 2 – 15 |
| Side support thickness | 5 mm | 3 – 10 |
| Side support depth (Y) | 30 mm | 15 – 50 |
| Side support height | 35 mm | 25 – 60 |
| Top clamp width (X) | 10 mm | 8 – 25 |
| Top clamp length (Y) | 50 mm | 30 – 70 |
| Top clamp height | 10 mm | 5 – 20 |
| Clamp bottom Z | 18 mm | 0 – 40 |
| Tab thickness | 3 mm | 2 – 6 |
| Lug height | 10 mm | 5 – 20 |
| Lug depth (Y) | 8 mm | 5 – 15 |
| Slot length (X) | 6 mm | 4 – 12 |
| Pivot pin height | 30 mm | 15 – 45 |
| Actuator arm radius | 20 mm | 10 – 30 |
| Actuator pin diameter | 2 mm | 1.5 – 4 |
| Linkage hole radius | 15 mm | 8 – 25 |
| Linkage pin diameter | 2 mm | 1.5 – 4 |
| Pivot pin diameter | 3 mm | 2 – 5 |
| Servo bracket depth | 12 mm | 8 – 25 |
| Bracket width (Y) | 24 mm | 15 – 40 |
| Bracket Z bottom | 5 mm | 0 – 20 |
| Bracket Z top | 35 mm | 25 – 50 |
| Horn center X | -47 mm | -60 – -30 |
| Horn center Z | 20 mm | 10 – 35 |
| Horn radius | 5 mm | 3 – 10 |
| Servo horn angle | 0 deg | -45 – 45 |
| Include serrations (1=yes) | 1 | 0 – 1 |
| Serration hole diameter | 0.6 mm | 0.3 – 1.5 |
| Serration spacing | 2 mm | 1 – 5 |
| Serration depth | 2 mm | 0.5 – 5 |
| Fillet radius | 0.5 mm | 0 – 2 |
| Pivot arm thickness (Y) | 5 mm | 2 – 10 |
| Pivot arm width (Z) | 8 mm | 4 – 15 |
| Linkage rod width | 4 mm | 2 – 8 |
| Linkage rod thickness | 2 mm | 1.5 – 5 |
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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