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Screws and Nuts vs Cyanoacrylate Glue  

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Artur5
(@artur5)
Honorable Member
RE: Screws and Nuts vs Cyanoacrylate Glue

I also kept my MK3S in a Lack enclosure for some years but I wouldn’t advice anybody to do it. This thing is a flimsy hollow shell, it weights next to nothing. No matter how you attach the legs to the table with brackets or 3D printed parts, you can’t stop it from wobbling and it gets worse after some time.

Postato : 28/01/2026 5:05 pm
FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Screws and Nuts vs Cyanoacrylate Glue

I don't disagree that the LACK table a cheap piece of shit. It surely is. But the enclosure served me well for years. I never attached the legs. The enclosure went straight onto a heavy workbench. I then put a heavy paver stone inside, with sorbathane feet. And then the Mk3/Mk4 on top of the paver. Rock solid. 

But yeah, the Lack is amazing in its cheapness. Once you cut the hole for the MMU into the top and realize what's inside (paper) you can never unsee it. 

Formerly known on this forum as @fuchsr -- https://foxrun3d.com/

Postato : 28/01/2026 6:19 pm
Tango
(@tango)
Reputable Member
Topic starter answered:
RE: Screws and Nuts vs Cyanoacrylate Glue

From what people have said, here's what I'm going to do with this project:

A) I'm redesigning the panels. While I like making parts interlock as much as possible, I didn't think I could do this due to the size of the panels I needed, but overnight or sometime this morning an idea hit me like a clue-by-four and suddenly I had a clear image of how to do that. So I'm going to make parts interlock more than I planned.

B) I'm using screws to hold the parts together and to handle any spot where stress might be an issue.

C) I'm still planning on using superglue, but not so much to bear weight, but to help seal any potential gap between surfaces. Also, with the interlocking parts I'm now designing, the glue will be a kind of "fail safe" that will help keep those connections sealed "just in case." I'm not using glue to help with any stress or weight bearing. Also, the main purpose of the superglue is to hold the assembly together while it's being handled and put in place. Once in place, the screws going into the masonry anchors will hold everything quite firmly in place.

D) Where the panel meets the cinder block wall (and the 2x8 on top of this vent opening), I'm going to use screws going into masonry anchors to hold the frame tightly against the block and the wood along the top of it. AND I'll be using silicone sealant along those sections to create a seal. While, due to location, this particular vent should not have issues with water leakage, I prefer a design that can be reused in most situations, rather than a one-off that fits only the spot I'm working on now. So this should work with silicone sealant to keep water from seeping through in other usages.

E) Thanks to feedback here, I've learned that it's about time I started trying to work with ASA. I don't want to do it until I have an enclosure so my workshop and other rooms in the barn don't start picking up a smell. While I have some vent pipes I've made that are exposed to UV light from the sun, and they are holding up,  they're made of PETG and I realize they'll have a limited lifespan. So I'm planning to reprint any UV exposed prints I've made with ASA versions of the same item when I start printing in ASA.

A side note on the sealant: Our house was finished in fall of '17 and we were actually living in it before it was "officially" done. Even after that, I had to run fiber from the house crawlspace down to the old pig barn that we renovated so we could have internet down there. Then, later, more fiber from under there to a conduit and 1,000' of trench to a Starlink dish so we could finally have good internet. And I've had to run some vent ducts under there and ... well, you get the picture. I am still spending a lot of time in the crawlspace for new things I'm adding or improving. While I'm not scared of spiders, I find it much easier to work under there without spiders and bugs in the way, so part of my intent with this design was to come up with something I could seal to keep bugs from getting through. So a major purpose for the sealant is not so much water or air, but bugs.

Postato : 29/01/2026 5:08 am
Tango
(@tango)
Reputable Member
Topic starter answered:
RE: Screws and Nuts vs Cyanoacrylate Glue

From what people have said, here's what I'm going to do with this project:

A) I'm redesigning the panels. While I like making parts interlock as much as possible, I didn't think I could do this due to the size of the panels I needed, but overnight or sometime this morning an idea hit me like a clue-by-four and suddenly I had a clear image of how to do that. So I'm going to make parts interlock more than I planned.

B) I'm using screws to hold the parts together and to handle any spot where stress might be an issue.

C) I'm still planning on using superglue, but not so much to bear weight, but to help seal any potential gap between surfaces. Also, with the interlocking parts I'm now designing, the glue will be a kind of "fail safe" that will help keep those connections sealed "just in case." I'm not using glue to help with any stress or weight bearing. Also, the main purpose of the superglue is to hold the assembly together while it's being handled and put in place. Once in place, the screws going into the masonry anchors will hold everything quite firmly in place.

D) Where the panel meets the cinder block wall (and the 2x8 on top of this vent opening), I'm going to use screws going into masonry anchors to hold the frame tightly against the block and the wood along the top of it. AND I'll be using silicone sealant along those sections to create a seal. While, due to location, this particular vent should not have issues with water leakage, I prefer a design that can be reused in most situations, rather than a one-off that fits only the spot I'm working on now. So this should work with silicone sealant to keep water from seeping through in other usages.

E) Thanks to feedback here, I've learned that it's about time I started trying to work with ASA. I don't want to do it until I have an enclosure so my workshop and other rooms in the barn don't start picking up a smell. While I have some vent pipes I've made that are exposed to UV light from the sun, and they are holding up,  they're made of PETG and I realize they'll have a limited lifespan. So I'm planning to reprint any UV exposed prints I've made with ASA versions of the same item when I start printing in ASA.

A side note on the sealant: Our house was finished in fall of '17 and we were actually living in it before it was "officially" done. Even after that, I had to run fiber from the house crawlspace down to the old pig barn that we renovated so we could have internet down there. Then, later, more fiber from under there to a conduit and 1,000' of trench to a Starlink dish so we could finally have good internet. And I've had to run some vent ducts under there and ... well, you get the picture. I am still spending a lot of time in the crawlspace for new things I'm adding or improving. While I'm not scared of spiders, I find it much easier to work under there without spiders and bugs in the way, so part of my intent with this design was to come up with something I could seal to keep bugs from getting through. So a major purpose for the sealant is not so much water or air, but bugs.

Postato : 29/01/2026 5:09 am
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