B,145B,148B,154B 'there':107B 'these':58B,101B 'they':62B,140B 'thingiverse':96B 'this':24B,84B 'thought':61B 'tighten':9B 'tightened':44B 'to':8B,36B,77B,85B,113B,118B 'tool':5A,22B,122B,149B 'tube':42B 'up':73B 'was':27B 'weakest':125B 'with':45B 'would':63B 'wrench':48B27:T4cf,Made on request of my wife. It’s a laboratory equipment used to mix, blend, or agitate substances in a tube or vial by shaking them. Functions:

timer

motor speed control - rpm (quite accurate)

angle adjust by replacing Crankdeg part: 10deg, 15deg, and 20deg

save config: default time and rpm to mcu memory

Video how it's working: https://youtu.be/TyF6TsbwEOg Code and schematics: https://github.com/polihedron/TM1637_Timer_RPM-stepper_motor BOM:

4-Digit LED 0.56" TM1637 display

KY-040 rotary encoder

Arduino board: pro micro, and probably others small enough to fit inside

LM1117 Low-Dropout Linear Regulator module 5V

5.5mm x 2.5mm DC Female Chassis Power Socket

12V 2.5A DC Power Supply AC Adapter with 2.5 x 5.5mm Center (+) Positive Plug (for cameras, routers, household electronics..)

KCD1-104 4-PIN rocker switch 21x15mm

A4988 Stepper Motor Driver

Electrolytic capacitor 1000uF/25V

Stepper motor NEMA 17HS4023

Shock Absorber Dampener for Stepper Motor - 42mm

Joy!Crafts Hook & Loop fasteners round 15mm - 60pc

10x M3 screws

28:T7e1,'-040':79B '-104':134B '/polihedron/tm1637_timer_rpm-stepper_motor':70B '/tyf6tsbweog':64B '0.56':75B '1000uf/25v':146B '10deg':44B '10x':166B '12v':112B '15deg':45B '15mm':164B '17hs4023':150B '2.5':105B,113B,121B '20deg':47B '21x15mm':139B '3d':1A '4':72B,135B '42mm':157B '5.5':102B,123B '5v':101B '60pc':165B 'a':12B,23B,114B 'a4988':140B 'absorber':152B 'ac':118B 'accurate':37B 'adapter':119B 'adjust':39B 'agitate':20B 'and':46B,52B,66B,86B 'angle':38B 'arduino':82B 'blend':18B 'board':83B 'bom':71B 'by':27B,40B 'camera

Found 32 3D-models for “tube nut” across many websites

Bowden Hotend Adapter for PTFE and 3 M4 nuts

J-Max_Bowden Belt Extruder (feeder) V1.0

Extendable Modular Tube Container

Tapered thread bowden coupling PC4-M6, PC4-M10 - Repaired

IN-LINE filament straightener

Cat scratching tree tube repair for nut M10 outer Ø 70 mm

Custom AR End Plate

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M4 to AK stock adapter

AR-15 Castle Nut tool

Airsoft stock tool - buffer tube tool - castle nut tool

3D Shaker, Nutating Mixer