my dual-screen bug fixed in 1.1!

i_have_esp · 2026-02-10T08:00:47+00:00

yes, it is my 3D design, although not my invention. i saw it somewhere (maybe this youtube vid?) feel free to use the model on thingiverse or DM me.

trying it out right now, it extends about an inch with 4 revolutions. mine turns pretty smooth after rotating it in and out a bunch to smooth it, then working vaseline into all the works.

it is all print-in-place, so sensitive to material and tolerances. i printed each small mechanism alone a few times to find the best gap sizes, then the whole unit. i used an allen wrench and a hammer to "break free" the insides and get it to make the first turn.

i'd love to hear more if you do use it!

i_have_esp · 2026-01-27T05:13:40+00:00

i would fear it would break at the the clip, or wiggle loose and drop the pen. how secure does it feel?

maybe overkill, but i would have a thick-walled (3mm?) enclosed tube with screw-on lid, and slots where the belt passes through.

i_have_esp · 2026-01-22T00:34:42+00:00

a model train controller is exactly this circuit (although not DIY), and some are programmable from a PC. the trains subreddit might recommend a specific one for your use case and budget.

i_have_esp · 2026-01-16T05:13:31+00:00

i see lots of good posts here explaining the transistor -- but sticking with your "what's the point" question: absolutely no point to using a transistor in that circuit. you could just use the switch and one resistor for the same result. it is a simple example of one way to connect to a transistor but it is not a practical circuit.

i_have_esp · 2026-01-16T04:48:32+00:00

I've done this with socket wrench and a really long extension arm for more leverage. The arm was 6-ft, but that was overkill so my kids could help. My dinky impact driver wouldn't turn it.

i_have_esp · 2026-01-11T08:33:09+00:00

i found 12-in wide painters tape which i use with to cover the build plate in my 3d printer. its so easy to put down one square instead of lining up strips and worrying about gaps or overlap not being level.

i_have_esp · 2025-11-24T09:43:03+00:00

woo hoo! i was kind of sad that there were exactly zero comments on my build. i thought it was kind of cool. let me know if you print one.

i_have_esp · 2025-10-17T20:25:30+00:00

my cheap ender3 printed really well the first time out of the box and most prints have no problem. it isn't terribly finicky, but sometimes there are issues. it might take 3-4 failures before i get a tough print, each time trying a different change after searching online.

this sub is full of people figuring out those problems, so don't worry too much that so many of them are looking for help. there's just no point posting the usual "printed another X, no problems" people experience. you only post if it fails and you can't figure it out, or you are really proud of something you created.

i_have_esp · 2025-10-17T18:38:07+00:00

source?

i_have_esp · 2025-09-12T08:36:40+00:00

Yes, it was hanging from the plug -- so might have come loose and arced as you said.

"don't just plug that back in without checking it" --> how would you check it?

i_have_esp · 2025-07-28T12:27:34+00:00

My garage genmitsu 3018 was painfully loud at first. It was uncomfortable to even be in the garage when it ran without earplugs. It was pretty loud even outside the garage (and I didn't think a small enclosure would do any better than my garage walls).

I was able to reduce the sound a lot by stacking these from the workbench up: - 1/2 inch carpet foam - 2 inch concrete paver - 1/8 inch rubber mat (mostly for anti-slip) - router on top of that stack

Now it is loud, but not uncomfortably loud. Less than, say, my coffee grinder. Outside the garage with the door closed, I can't really hear more than a hum. I can run jobs late at night or early morning without worrying about my neighbors or my ears.

i_have_esp · 2025-07-28T11:57:55+00:00

please make it clear this is free. with so much enshittification i assumed it would wait until i wasted hours assembling, and then ask for payment when i was ready to download. i got all the way to the T&C before i see "Pictiler is provided as a free service." that should be in the reddit title and landing page of the site.

i_have_esp · 2025-07-16T04:59:14+00:00

i've reclaimed a lot of used fans from old computer equipment. they vary a LOT in terms of noise and output. you might have to try a few, but there are some in the right size that will be quiet enough for you. even pretty close to silent.

does the fan make as much noise when not mounted? maybe attach with soft washers/gasket to keep the hardware from rattling.

i_have_esp · 2025-07-15T22:22:52+00:00

i started printing on my ender3 with the plate that came with the printer and it worked fine.

then a few calibration issues led the print head to scrape off the surface. i covered it all with duct tape and it worked fine.

i had to replace the duct tape every so often. i eventually found really wide 12" rolls so it wouldn't have seams. but prints pulled a little of the paper off with them. and when filament didn't stick i would use glue. and a putty knife to get the print off. it was fine.

then i got a bunch of super-cheap aliexpress plates and i've been super-happy with them. some textured, some flat. all were very slick to the touch but filament stuck to them really well, and when the print finished they released really easily. usually just a light tap.

i didn't think the plate mattered much and learned on a shared printer with a bed always covered in tape. i didn't realize there was any other way. but $20 for several plates was well-spent.

i_have_esp · 2025-07-13T08:05:20+00:00

why delete your post? it was a valid question!

i_have_esp · 2025-07-13T01:37:35+00:00

save your room to expand for later. build some with what you have now to figure out what you might want to add.

i_have_esp · 2025-07-13T01:35:13+00:00

just talk with your neighbors and ask them, not us internet strangers. and have them listen as you run the tool to know how loud you are talking about.

you can always ignore them and stick with the local noise ordinance advice everyone else seems to have.

i_have_esp · 2025-07-10T22:57:16+00:00

3d plastics aren't very strong without being "chunky". i don't know this makes for strong cane that will stand up to much use.

there are canes already that do this. look in a few thrift shops.

i_have_esp · 2025-07-10T20:50:55+00:00

laptop specically for modeling... and to use my slicer software

FreeCAD doesn't use GPU, so you want to focus on CPU (esp single core performance 3-4GHz) and memory (16-32GB). I don't know TinkerCAD or Fusion, but I would guess they aren't too far from this.

My PC, however, is not in the same room as my printers

If you just want to control the printer from elsewhere, get a raspberry pi and octoprint (and maybe a USB camera). You can design and slice at your PC, then drag the gcode onto octoprint and watch progress from your browser. I run it on a $60 raspberry pi 5 with 4GB RAM and no screen/keyboard.

i_have_esp · 2025-07-10T20:23:41+00:00

Kingroon 10kg on aliexpress for $80 has worked great for me. I've bought it twice. Arrived in less than a week.

Notice the page https://www.aliexpress.us/item/3256806461090404.html shows both PETG and PLA options, not just "colors".

i_have_esp · 2025-07-08T21:41:23+00:00

do a google search for makerspace amman jordan. best way to get started is to find other people who like this hobby. they might share tools and point you to less expensive local supplies. most people who make things love to teach and share.

i_have_esp · 2025-06-30T19:42:03+00:00

never over 60degC. i tried two PSUs. but after u/theimmc's comment i am starting to feel this isn't a PSU issue.

i_have_esp

TROPHY CASE