presurizador de pelotas de tenis

RotorHazard / Delta5 Laptimer Flat Case Enclosure Box
prusaprinters

Also, this case is, in my opinion, the de-facto standard, most polished, most featured, best performing case for a RotorHazard timer. It has featured heavily in the community. It has been downloaded hundreds of times. Printed and used successfully...

v1.0 Universal Piezo Bearing Block Mount incl. PCB v2.75 and Marlin Firmware
prusaprinters

Required parts: 20 mm Piezo disc Precision Piezo PCB v2.75 (can use other but won't fit this PCB mount) 4 Springs like these or similar 4 M4 lock nuts 4 M4x12 bolts (or longer) Installation (X-carriage): Remove the upper bearing block of your...

Portable motor powered siren
prusaprinters

 Make sure you do it up real tight as it can become detached during de-acceleration, which is super dangerous if you are not using the duct cover!I used hot glue to attach the red duct to the stator, and also for the front safety grill.  ...

splitFlapClockRadio
thingiverse

## DIY brief - [ ] Print 3D parts - [ ] Manufacture PCB (<20$ with [JLCPB](https://jlcpcb.com/)) - [ ] Populate PCB with [Hot Air Gun](https://satkit.com/es/aoyue-int738-sistema-de-reparacion-profesional-soldador-60w) - [ ] Flash MSP430 MCU - [ ]...

Useless Box - simple SG90
thingiverse

De-solder wires from motor. You won't use the circuit board or the (+) (-) & (data) wires, so snip the wires. You can remove the board if ya like but I have trouble with that so I just snip the 3 wires down to the nub, snip the old motor wires off...

Water rocket continued. ( Umbrella type )
thingiverse

You can find an article about burst tests here: https://waterrocket.uh-lab.de/lr010101_bursttest.htm Please do have a look at that site. With then pictures is my comparison chart. Be aware the calculated heights are only examples for comparison. I...

Pokemon Go Badge NFC Tag Version
prusaprinters

... phones. I hope you enjoyed this Instractable and have fun to build it. Let me know in the comments what you think or if you have any questions? Thank you for reading.YouTubeThingiverseMyMiniFactoryEtsyIf you like to, check out my other designs too!

Prusa Automatic Nozzle Cleaner for remote control (Octoprint)
prusaprinters

amazon.nl, amazon.com, amazon.de or on Aliexpress (app. 55 x 40 x 15 mm)2x M3x10mm flathead bolt1x M3x10mm panhead bolt2x Tension spring 20.2 x 5.5 x 0.5 mm, Conrad Part Number 889250 for 5x (enter the number into “Part Search”)1x 3D-printed Prusa...

Basic Cryptex
prusaprinters

This is a Cryptex similar to the one shown in De Vinci Code by Dan Brown. The Main shaft holds all the letters gears in place. The letter gears can be changed around to produce a different combination. There are almost 12 million different...

Mold Your Own Swirling Water Unit - Vortex water nozzle - Vortex Process Technology (VPT)
cults3d

I was inspired by the work of many inventors and researchers like for instance: Viktor Schauberger https://en.wikipedia.org/wiki/Viktor_Schauberger Johann Grander https://de.wikipedia.org/wiki/Johann_Grander Why did it get my attention? Well lots of...

Tholian and FASA Gorn Ships: Star Trek starship parts kit expansion #9
cults3d

It lost its license to produce Star Trek in 1988, seemingly because Gene Rodenberry, hot off of the success of TNG season 1, wanted to de-emphasize the military aspect of Starfleet, despite the abundance of uniforms, ranks, and 50-megaton...