A mount for my panda touch
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replacement internal motor fan for my biscuit jointer (my first design!), specialised holders for electronic modules, stencils, replacement wheel hub trim for my jayco van, repair piece for the van’s wheelguard trim which lost bits due to stone damage, playng card holders (2 different designs both my own though based on others similar i had seen), replacement chain linkages for my vertical blinds, tank turret rotating mechanism and gun elevation for model tank, bits for my model rc planes. Cupboard handles for new laundry cupboards - because i wanted small and simple. In short, anything i can think of i think first if it’s sensible to make rather than buy. But, mostly 1 off and specific to the task at hand. I’m about to try 3d printing rc planes, a hobby i’m getting back into after many years. And of course toys for the grandchildren which they always appreciate especially because it’s 3d printed even simple things like spinning tops, wall hangings, fairy houses (not so simple but some lovely designs out there). And learning Blender certainly keeps my brain engaged! Have fun!
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Being in the US this is what I think of when I hear biscuit:
But I know in many other parts of the world this is what biscuit refers to:
When I read your post I was down right delighted to find out there was a machine that joined either of these two things. Then I Googled it and found this:
After reading that it’s a wood working tool I’m a little devastated, I had big plans for some biscuits… big plans…
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Most likely the spoon and lid rest designed by https://makerworld.com/en/models/1107388-kitchen-utensil-holder?from=search#profileId-1103365 I have made more of these than I can remember and I give it as a gift. I often see this in the kitchens of my friends I’ve given this too.
Then there are the many Ego electric tool accessories I’ve printed for my garage and my daughters.
The marvelous piston clock and piston lamp that I’ve printed for myself and my engineer BIL’s . Engine Piston Lamp (LED Lamp Kit-001) by Corco Design MakerWorld: Download Free 3D Models
The Mango Lamp is another object I have printed for myself and friends. being able to print different color shades is great. Mango Lamp | Translucent by fhDesign MakerWorld: Download Free 3D Models
There is a lot more but you get the idea. I’ve also used Onshape to design my own projects.
LOL !!
I like both of your biscuits, but neither will hold 2 pieces of wood together for long…
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Snail rings? What’s that?
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Not sure if it was this or another model:
Sunday morning with my cucumbers already killed by a snail invasion, tomatoes, zucchini’s and pumpkins reduced by 1/3, another rainy night coming and all shops closed (typical Sunday in Germany 
).
Literally, a race against time Which my X1 won 
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As someones else said, the most useful thing I printed is designed by me, to solve a specific use case.
In this case is my soft hammer set, that helps me a lot when assembling other things (printed or not) that must be gently hammered. I use them almost daily:
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To get the last drop of conditioner:
My whole fam uses toaster tongs regularly:
And this plug removal tool has been useful:
If you are a fidgeter, having an articulated bracelet is handy:
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My most useful thing just has to be a cell phone holder for my truck. It goes everywhere I go…
My Most Used, Every Day Model I Have Ever Printed by tundra3866cda MakerWorld: Download Free 3D Models
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My Airbus Benchy!
(such a fun print! if you want to print it see my profile)
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I had to think about this a bit, haha. I design a bunch of stuff, but it’s the little things that are the most useful.
This is a door stop model I did, and it’s certainly one of the most useful I’ve made. It’s one of those prints I’ve even made several for friends and family, as they see them in my place and how well they work!
I also really like this stand. Hehe. I’ve made a few phone stands and stuff, but this one actually gets the most use from me. I use it for my laptop, tablet, phone, midi pad. haha, it handles it all. I keep one in the kitchen for when I’m cooking, one on my desk here for my drawing tablet, and another floating around the house for where I might need it elsewhere.
I think those two are some of the most useful prints I’ve done. I’ve done a lot of other cool utility prints and stuff, neat cases that I make great use of, organizer systems, but I think those stand out to me a bit more as I look around and ponder this question.
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One of my favorite “actually useful” prints so far has been a travel toothbrush case and a matching rinse cup. I made them to fit my BrushO electric toothbrush, and they’ve been a game changer when traveling — keeps everything clean, compact, and organized.
If you’re in the mood to try a few more fun-yet-practical ideas, here are some that have worked well for me:
Cable winders that snap shut so your charging cables don’t tangle in your bag.
Mini drawer organizers for coins, SD cards, or batteries.
Bag clips with built-in hooks so you can hang snacks on the wall (yes, really).
A phone stand that folds flat — perfect for watching videos on flights.
They’re all quick prints, so you can experiment with designs and customize them to your own needs without long print times.
One of the most useful things I’ve printed, was some hole drilling templates I made to fit a new set of blinds!
The blinds needed holes drilling for both the end brackets and the middle support one. I measured where the holes needed to be, factored in the amount of space I needed from the walls and printed 3 templates (L end, middle, R end - as the end brackets needed to be flipped). Included a centre line on the middle bracket so I could line it up the correct (centre of the space) position.
The whole process took under an hour including printing and made the job a tonne easier and more accurate, as I wasn’t trying to draw out the exact points I needed to drill on the ceiling.
Boring, but incredibly useful and satisfying when it all worked
As with others, it is those things that solve your own needs.
@Midsun3Designs , I like that Spoon rest. Thanks for sharing…
Stuff for work mainly. Probably the thing that was most impressive was a cross-section of a head with the mouth and nose anatomy in it that I’ve made a couple of for work training sessions on swallowing safety (I’m a SLP)
The thing I’ve printed the MOST of is this little emotions checkin card I made using the Makerlab sign maker just to have handy on my work lanyard - and I’ve since printed out dozens of them as colleagues and friends of colleagues ask for them to use as a quick and handy visual to check how a client is feeling:
I’ve hit the point now where I carry spares with me as I get Teams messages asking for more of 'em all the time.
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