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Lawn mower safety mechanism

Lawn mower safety mechanism

Fixed our broken lawn mower with a custom 3D print! The safety latch was busted for years — we had to awkwardly push a short, broken piece just to start mowing. The red rod? Just dangling. Super annoying. I recently got back into CAD and 3D printing, so I redesigned and printed a replacement part (under 50¢ total!) — now the mower works like new. No clue if the original parts are still even sold, but DIY was faster, cheaper, and way more satisfying.

submitted by /u/Tobi3600
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Tapping and Chamfering Machine

Tapping and Chamfering Machine

Ive got 500 holes to tap on a piece of sheet steel, so i made this tapping machine. Its got a retractable wire on the back (like the stealth press) to ever so slightly pull the carriage up.

Carriage, upper support, lower support and pulley holder are all 3D printed. Did a few test holes tonight and it worked a treat.

The motor is a 400W AC servo, with a 10:1 planetary gearbox on the output.

There's threaded holes on the bottom to attach a jig to line the spindle up with the holes im tapping.

Its not fully finished yet, there's a 3D printed handle/holder for the MCU, screen & buttons to control the speed and direction.

submitted by /u/Shtifff
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L'abel - Labelling Station for the Motex Label Maker

L'abel - Labelling Station for the Motex Label Maker

Ah, the humble label maker - a tool so vital it might as well be humanity's crowning achievement. Without it, our kitchens would devolve into chaotic grain-guessing games, our offices into lawless pen-thieving wastelands, and our relationships into passive-aggressive skirmishes over mislabeled closets. A label isn’t just a strip of sticky plastic-it’s the thread holding society together, the unsung hero of order in a universe poised for entropy. Especially the humble Motex-E505, with its ergonomic handle, making you feel the peak of masculinity while encouraging you to caress it angular curves. The wheel of letters might as be crafted out of pure bliss, the way it clicks and awkwardly, shyly makes a somewhat precise cut to the tape. Ah~...

Wait a minute... I was supposed to talk about the holder I made for it, that houses up to... (1, 2, 3...) 11 Tape rolls of 12.7mm size or a bit more of the 9.5mm variety! (didn't bother counting). Fits the Motex precisely AND is gridfinity compatible with a 3x3 base.
Ah well, ruined this one, gotta write a better script next time. YO! This script is also pretty goo-

Made in FreeCAD

submitted by /u/Jinarma
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50 year old inlet-valve for a agricultural piston-pump

50 year old inlet-valve for a agricultural piston-pump

After roundabout 50 years, the cages of the inlet-valves of the pump gave up, so i modeled them in fusion, and (test)printed them today to see if the metal inserts and springs etc fit - Now i just have to wait for the proper filament to be delivered to print the endproduct.

Facts about the pump

  • 2-3bar pressure
  • roundabout 540 rpm (also the timing for the valves)
submitted by /u/Winnduu
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Redesigned and improved an old coffee dispenser

Redesigned and improved an old coffee dispenser

Picked up a printer end of last year and learning CAD and 3D printing has been so much fun!

I've been using the one flip-style moka pot coffee dispenser for over a decade and it's been showing it's age recently. Had a go at recreating it and adding some features I've always wished it had along the way.

It basically acts as a one-way valve (half-sphere covering a hole) for coffee grounds and lets you fill up the filter basket quickly and without spilling coffee everywhere. It also acts as a handheld funnel without the jar for when you have smaller portions of coffee. My improvements include having it more compact than the original, screws onto the generic metal coffee jars and some internal geometry to prevent dead-spaces that collect grounds.

Not too confident in how the handle turned out as it feels like it would snap easily but hey, it just means I get to tinker some more!

submitted by /u/GobonTalBzar
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