Free 
Tools & equipment
3D-модели хомутов диаметром 30 мм для печати
Ну вот, искал себе хомут на тридцать миллиметров, а нашлась целая куча готовых моделей. Крепления для труб, стяжки для проводов, даже держатели для инструментов вроде дремеля - всё под этот размер. В основном бесплатные STL, так что можно сразу качать и печатать. Короче, и для ремонта, и для порядка в мастерской вариантов хватает.
This collection is written in Russian; the search itself works in any language.
Free 

Klemme für grosse Beutel - 30 cm Klemme
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Shower Rod Clamp with Accessory Holders (22mm Diameter)
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Hand-Screw Clamp
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Quick Release Barbell Clamps 30mm
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Heavy-Duty Click-Lock Pipe Clamps (M4) 30-20mm Diameter
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Dremel 4300 clamp with wallmount (Diameter 30mm) - Part 1
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Schelle Durchmesser 30mm
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4.0" pipe clamp
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Cat toy
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G字夹(实用性强,顺滑坚固)
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C Clamp
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Monster Mouth Headphone Holder - Clampable
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快速夹具(无须五金件)
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Clamp Caliper - Long Version
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Dremel 4300 clamp with wallmount (Diameter 30mm) - Part 2
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Locking Pipe Clip (11 sizes, print in place)
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Parametric Clamp
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Mini Mitre Block
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Embout de tube carré 30x30x2mm
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Clamp holder for 25 mm pipe or Electrical Conduit Pipe Clamp
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3D printed mechanical Clock with Anchor Escapement
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Morsa da Tavolo Ultra Veloce 1h30, Zero Hardware
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Tube Clamp 25mm (3/4 tube)
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TwistLock Clamp
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30x30mm Square Tube End Cap – Flush Fit Plug
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Package clamp
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Modular Mounting System
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Heavy-Duty Click-Lock Pipe Clamps (M4) 30-20 mm
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20mm, 25mm, 32mm pipe clamp with 2mm and 5mm spacers
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Fully printable PCB vise
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Dumbbell clamp 30mm - Dumbbell quick release
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Radius Gauge for the Clamp Caliper
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Adjustable Super Clamp
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item 3030 TableTop Fastening table clamping
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Small Pipe & Tube Clips | 16-28mm (M3)
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Woodworking Router Jig for rounding over corners
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30mm Hose, Pipe & Tube Clip / Mount
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20mm, 25mm, 32mm pipe clamp with 2mm and 5mm spacers
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Printable Quick Grip Trigger Clamp (Functional)
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Simple Printable G-Clamps (S / M / L)
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Desk clampv3
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Microscope Cellphone Mount
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Kabel-clip für 30x30 Strangprofil
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4.5" pipe clamp
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Multifunctional Arm (Phone holder)
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Modular Simple Variable Clamp / Vise (40–100 mm)
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56mm Hose Clamp
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