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Dual mode (rotating/linear) sanding power tool

Dual mode (rotating/linear) sanding power tool

Recently tried my hand at printing props and needed a power tool to reduce hand sanding to a minimum. I briefly considered a Dremel, but then opted to design my own powered by an RC motor + gearbox originally intended for a crawler, just for the challenge of it. It can serve either as a classic rotary sander with an ER-like collet for holding bits or as an alternating linear sander with sanding bits clamped on it's tool rod. The toolheads can be swapped by means of four M3 screws in less than a couple of minutes. Additionally, the powerplant is cooled by a self contained 12V 3010 axial fan to avoid cooking the electronics or melting the plastic housing.

submitted by /u/BamJr90
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Garage Cat Counter

Our indoor only cats like to go hang out in the garage. The garage has a small barn section with a couple of horse stalls that we're currently using for stuff storage, so there's lots of places for the cats to hide out there. Which makes it hard to know if any cats are around when it comes time to open up one of the overhead doors.

Time to make a cat counter for the garage door so we always know the current cat status.

Designed in Fusion 360, printed on a Bambu P1S.

https://reddit.com/link/1e1xa9i/video/5s8o17ttl6cd1/player

submitted by /u/jgremlin_
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Looking for prints to annoying parents

My nephew is staying with me for a few days and I'd like to send him home with a few prints for him and his young siblings that they'd love playing with but would drive any adults nearby to the brink of madness.

So far I have a few little whistles but I'm not sure how long they could keep that up.

Ages 5 - 7. Any suggestions?

submitted by /u/ghostintheruins
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Perfect ironing at 150mm/s, no point ironing slowly.

Perfect ironing at 150mm/s, no point ironing slowly.

Seen so many people with ironing speeds at 30mm/s or something insanely slow like that so wanted to share. This is 150mm/s just crank the speed up, even my artillery hornet can handle ironing at 125mm/s, and it can't even print good at above 70mm/s lol.

Most importantly use 0.1mm line width. Flow varies a lot, this here is 25% flow but some filament needs up to 35-40%. Just try different flowrates and what works.

submitted by /u/ZaProtatoAssassin
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