Cast21 Brings Healing Into 2024

It takes but an ill-fated second to break a bone, and several long weeks for it to heal in a cast. And even if you have one of those newfangled fiberglass casts, you still can’t get the thing…

Benchy In A Bottle

Making something enjoyable often requires a clever trick. It could be a way to cut something funny or abuse some peripheral in a way it was never designed for. Especially good tricks have a funny w…

Keep Your Lungs Clean And Happy With A DIY Supplied-Air Respirator

The smell of resin SLA printing is like the weather — everybody complains about it, but nobody does anything about it. At least until now, as [Aris Alder] tackles the problem with an affordab…

Adaptive Chef’s Knife Provides Better Leverage

[Colleen] struggled with using a chef’s knife to cut a variety of foods while suffering from arthritis in her wrist and hand. There are knives aimed at people with special needs, but nothing …

Hackaday Links: March 24, 2024

Way to rub it in, guys. As it turns out, due to family and work obligations we won’t be able to see the next Great American Eclipse, at least not from anywhere near the path of totality, when…

Multicolor Resin Prints: Give It A Shot

[Thomas TEMPE] has been making two-color resin prints. While printing in multiple colors is old hat for FDM printers, the way resin printers work makes it a more difficult proposition. [Thomas] has…

A 3D Printed Grinder For Printed Lens Blanks

When one thinks of applications for 3D printing, optical components don’t seem to be a good fit. With the possible exception of Fresnel lenses, FDM printing doesn’t seem up to the job o…

Simple Hack Lets Smartphone Take Resin Printer Time-Lapses

With how cheap they’re getting, everyone seems to be jumping on the resin printer bandwagon. They may not be able to fully replace your trusty old FDM printer, but for certain jobs, they just…

Powder Your Prints For Baby-Smoothness

Layer lines are a dead giveaway to non-normies that a thing was 3D printed. There are things you can do to smooth them — sanding, chemical smoothing, and fillers come to mind. Although this t…

Clean Up Your Resin-Printing Rinse With Dialysis

There’s a lot to like about resin 3D printing. The detail, the smooth surface finish, the mechanical simplicity of the printer itself compared to an FDM printer. But there are downsides, too,…

Hackaday Links: August 6, 2023

“Have you tried turning it off and on again?” is a common tech support maneuver that everyone already seems to know and apply to just about all the wonky tech in their life. But would y…

Revisiting Folk Wisdom For Modern Chronic Wound Care

In the constant pursuit of innovation, it’s easy to overlook the wisdom of the past. The scientific method and modern research techniques have brought us much innovation, which can often lead…

IBM Selectric Typewriters Finally Get DIY Typeballs

IBM’s Selectric line of typewriters were quite popular in the 1960s, thanks in part to an innovation called the typeball which allowed for easy font changes on a single machine. Unfortunately…

FDM Printing With Resin Update

[Proper Printing] is at it again. He’s trying to perfect his hybrid printer that works like an FDM printer but uses UV-curable resin gel instead of filament. You can see the latest update vid…

More Detail On That Fantastic Lego OLED Brick

It’s always great when we get a chance to follow up on a previous project with more information, or further developments. So we’re happy that [“Ancient” James Brown] just dr…

Cardboard Game Tokens Become Shiny Click-Clacks With DIY Treatment

Tabletop games and cardboard tokens go hand-in-hand for a good reason: they are economical and effective. However, their tactile attributes leave a little to be desired. There’s something rea…

Madness Or Genius? FDM Printing With Resin

We aren’t sure what made him think of it, but [Proper Printing] decided to make an FDM printer lay down resin instead of filament. Why? We still aren’t sure, but we admire the effort no…

Toilet Paper Tube Pulls Dissolved Resin From IPA, Cures It For Disposal

SLA 3D printing with resin typically means rinsing parts with IPA (isopropyl alcohol). That process results in cloudy, used IPA containing a high concentration of dissolved resin. The dual goals of…

PCB-Filled Dream Desk Will Only Get Cooler With Age

We all have one. Maybe you’re sitting at it now, or just wishing you were — that perfect desk. You know the one — a place for everything and everything in its place, ample acreage…