Hello all, first time here.
I have an old lamp that was my grandma's and I'm a little sentimental about it. It must be early 70's minimum because I remember it as a child. I'm sure you all can probably identify it and that might help what I'm trying to do here. A few years ago the cap cracked, it got cloudy and didn't work good anymore. I'm in the process of trying to restore it, using the lava formula I found here. I was about to say goodbye to it because I could not find a replacement cap. Then I realized I could 3D scan the old cap, use that to build it in CAD, and have a replacement 3D printed! So the cap should be back from the printer soon and hopefully it fits and the re-lava goes well. I want to share the file used for the 3D print, it took about 10 hours and some pretty expensive equipment/software to reverse engineer. The cap only cost $13 to print once I made the file. I do want to make sure my replacement fits before I upload it. I will also try to give updates on my overall success with the restore. Here is a picture of the lamp so maybe someone can identify it. Hard to tell in picture but it is gold-ish in color, and the cap screws onto the glass threads with an o-ring seal.
Buy it here https://www.shapeways.com/product/4TJ6AR66D/lava-cap-for-70-s-quot-...
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You were with support at the beginning @Claude J It's great to see you found a good original color also. I'm not around often, but I'll be around again!
First post here. Just wanted to say I got my replacement cap today and it fits perfectly (without the o-ring). Do you know if the o-ring is critical for creating a seal (I do have the o-ring but it seems to create a gap at the top)? I’m going to start a separate thread for other questions I have but wanted to make sure to say Thank you so much for doing this!!!
I dont feel like going through 63 replies now but in case it hasnt been said yet 1. for some filaments like abs its common to do a final finish with acetone vapor. It'll melt the surface and close tiny gaps resulting in a glossy finish. 2. I think vintage Crestworth Astro bottles used an identical cap, you might want to add this to your description once somebody confirms this. If no one knows I can check tomorrow.
Yes it is. Used a bottle without the rubber ring and as soon as you tilt it enough liquid runs out.
Freeman Lowell said:
First post here. Just wanted to say I got my replacement cap today and it fits perfectly (without the o-ring). Do you know if the o-ring is critical for creating a seal (I do have the o-ring but it seems to create a gap at the top)? I’m going to start a separate thread for other questions I have but wanted to make sure to say Thank you so much for doing this!!!
Thanks. I realized after I posted this that the replacement cap came with an o-ring already installed so I was doubling up and hence the gap :)
Arne said:
Yes it is. Used a bottle without the rubber ring and as soon as you tilt it enough liquid runs out.
I bought one of these caps and it works perfectly! Thanks a bunch!!!
Mine just came in today, and it's a perfect fit for my copper 2-piece Century! My old O-ring fit perfectly. I am so thrilled that this is a viable replacement that is available for everyone, thank you so much for creating this file. Planning on painting mine a soft coppery color to match the base.
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