I needed a couple shelf bracket thingies to hold up my sewing machine after cutting a hole in an old desk so I modeled them in a minute and a half in sketchup (i know, ew, sketchup)
Anyone is welcome to do anything with them

https://makerworld.com/en/models/2106347-sewing-machine-table-brackets#profileId-2278276

  • At least make them in an angle iron shape or thicken them up or something. There is a lot of weight and vibration to be held by thin plastic.

    Please take this advice. You dont want this thing falling on your lap/toes

    [deleted]

    it is still a 7kg machine that vibrates as you are using it, not a static load.

  • Couple of sticks of wood, or some aluminium or steel bar would be much more reliable.

    Actually more effort to 3D print this AND its worse

    ....how? I'm a metalworker with 15 years of experience and I have my garage filled with wood, aluminium and steel and I do not see any way how 3D printing would be more effort, unless I happened to have just the right piece of scap with just the right holes in it already.

    What type metal worker are you that doesnt have some 90 degree angle extrusion? I literally dont have a single tool other than a hacksaw and a drill at home and i have so much angle extrusion/rectangular tubing at home, in an apartment...
    Takes 5 minutes to cut with a hacksaw and drill, hold the heavy sewing machine much better than 50 grams of plastic that delaminates with a bit of pressure

    What people don't seem to get is even though it may hold now it plastic creeps and fails over time. I mostly follow this sub for posts just like this. It's hilarious 😂

    It was a minute and a half of modeling time and then one button press to get the machine to do it for me. How is that harder than having to cut and sand and then drill holes into a piece of wood or metal?

    They could've used the wood from the hole they cut... Didn't even need to go out and buy anything

    That is not "wood", it's particle board. I would 100 % trust a printed (in proper thickness and geometry) bracket more than a scrap piece of particle board.

    The failure point will be around the bolt, which means the desk is just as likely to fail as the strap.

  • You are putting a lot of trust in a few millimeters of plastic

  • How did they perform in a bend test? Did you put one of those bolts in and try to rip it through by hand? Can you tell I don’t trust them to last very long? It’s a creative solution but I hope it’s temporary.

    How did they perform in a bend test?

    Bend test? If this was actually getting any use don't you think they'd counter sink the bolt heads?

    I did countersink the bolt holes after the pictures were taken and I added tape at all the gaps. There was very little bending even with 25lbs hanging from them

    They held 25lbs just fine and it's rock solid with no movement from vibrations.

    That’s great news!

  • I will protect my best puppy from you. 

    Nah but I'd probably go much thicker if its holding up the entire machine weight

  • I'd suggest kneepads.

    Hockey Goalie gear may be better for this one.

  • I would have used countersunk tapered head bolts and put stickers over them to keep them from catching any cloth.

    This is one of those situations where a heavier support is better because of vibration. Maybe also heavy felt on the plastic shelf to damp some of the sound too.

    Consider a cross spar between the two shelf spars to keep them fixed distance apart.

    It would be better to counterbore the nuts to achieve that (after making the bracket thicker). Countersunk head would cause a spreading load on the though hole, which is not ideal. It would also be difficult to source a long enough countersunk bolt, and on top of that - you would end up with a ugly nut-rod end on top of your table.

    E: Just realized you obviously meant the top of the table, not the bottom, lol. Yeah, that makes sense.

    They're rock solid and don't move at all. I did actually go back and countersink the bolt holes so they're level now and I added tape at all the gaps. No need for the cross bar with how rigid it already is but I appreciate the suggestions.

  • Good puppy 🐕

    Though I'd make the mounts more sturdy both in the wood (maybe use drive-in nuts, also because that should result in a smoother top than your current solution) and the bars below, as they look a little flimsy and do not fix the machine front to back.

  • PSA: Do not do your best puppy. Do not do any puppies. Use a comma instead.

  • I own a sewing machine repair shop, and you might want to rethink your bracket. just get some metal bracing please. don't break your machine. also you probably wont enjoy using the machine with the bolt sticking up in front and behind the presser foot.

    I did countersink the holes and added tape at the gaps for one continuous surface but forgot to take pictures afterwards. The printed brackets were able to hold up 25lbs without bending or breaking so I think it's prolly fine to hold up the sewing machine. Thank you and everyone else who was actually polite with their recommendations instead of an ass <3

    Please keep me informed. I think the vibrations may weaken the plastic over time and you'll forget and snap it goes. I hope for the best though!

  • I thought for holding down the table which made sense.. this way is not ideal.. great template for wood tho!

  • I’ve thought about getting my wife a table but if you have it dropped down what do you do if you need to use the free arm?

  • I give it 6 months before you start noticing some droop

  • There are some unnecessarily mean/sarcastic comments in here. I would take the advice of using a thicker print, or the wood pieces leftover from the hole. But no one needs to be a dick about it

    You have a great idea for a solution here OP, just need to take it one step further

    It's actually rock solid as it is, I'm not sure why everyone is being so negative. I tested it with 25lbs on each of them and they held and there is no movement at all even with the vibrations. Honestly, a couple people have been needlessly nasty over something that doesn't effect them in any way and I'm pretty discouraged from ever posting in this subreddit again

    Well I hope you post anyway. A few morons shouldn't discourage creative solutions. That's what this sub is all about

  • This comments section is a great example of why this subreddit is trash

    Honestly I might just never post in here again because some people in here need to touch grass more than I do

    Understandable. I don't bother sharing any of the cool stuff I do any more on Reddit, it just gets nitpicked apart by armchair experts.

    Much more fun to share it on other platforms where people are interested in the idea, not picking it apart to feel smart