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Fillets are difficult to model in this circumstance because it would be a lot of trial and error to get it to fit the boat tail's shape perfectly. Do mind if I forgo the fillet? I do have a tool in my repo for applying epoxy fillets if that helps (iirc, 11mm, but it basically sands down to 10)
I was going to do a segmented fillet in SCAD that you just print and bend around the fin. So no problem either way.
 
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https://github.com/kayla-tokash/jac...orizontal/uscu/rocket_table_mount_4in_revised

Had to revise this because my original design was practically unprintable (required a ton of supports). This one was divided into 3 unique pieces (5 needed to assemble). It's designed for 4in rockets, but can be scaled up. It's only about ~150g of plastic which is a huge improvement from my previous design and takes ~6-7 hours to print everything (Bambu P1P) and assemble. Currently printing a second one so maybe I will revise the post later with it holding a rocket.

Not sure what I'd say the weight capacity is for this
 
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https://github.com/kayla-tokash/jac...orizontal/uscu/rocket_table_mount_4in_revised

Had to revise this because my original design was practically unprintable (required a ton of supports). This one was divided into 3 unique pieces (5 needed to assemble). It's designed for 4in rockets, but can be scaled up. It's only about ~150g of plastic which is a huge improvement from my previous design and takes ~6-7 hours to print everything (Bambu P1P) and assemble. Currently printing a second one so maybe I will revise the post later with it holding a rocket.

Not sure what I'd say the weight capacity is for this
What does this do that the plug together X pipe and pool noodles doesn't? If you made it so it all folded flat and the body support was a cloth band, like a camping 3-legged stool- ish....
 
What does this do that the plug together X pipe and pool noodles doesn't?
Just an alternative. Might be marginally cheaper if you already have a 3D printer.
If you made it so it all folded flat and the body support was a cloth band, like a camping 3-legged stool- ish....
Agree, but this version was mostly just to replace one I had designed previously.
 
Maybe it's because I'm super tired (just woke up and my cats kept me up last night), but this part was funny for some reason XD
I'm pretty certain its because you're tired
Good Morning Drinking GIF by University of Phoenix
 
Maybe it's because I'm super tired (just woke up and my cats kept me up last night), but this part was funny for some reason XD
Pool noodles are easy to source in Oz. I've found the US supply chain Achilles heal. Fly over here. Bring some 29mm mmt tube. Tautology, I know......
I get my cats back tomorrow. Just arrived back from UK. I've been awake all night, all night on the way back....
 
Soooooo. I've been having a think about printed double walled tubes..... And the inter wall structure. Having looked layer by layer at slicer results for various infills, I didn't feel it was giving optimum results for our purposes.
So I created my own..... This will also allow for local reinforcing for surface mounted fins to be included at the points required. This gives more control over specific reinforcement and the angles of placement. Slicer says this will be 95grams for a 125mm x 210mm long tube with join. Seems reasonable.
It will be ready in 8 hours.
Edit:- Print finished. Super rigid, Super strong. Wow. There are surface artifacts from the reinforcing, but very happy with this test. Printed in US$12/roll delivered, grey ABS
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Bambu Slicer took about 10 mins to slice this. Detect thin walls had to be enabled. Wall count set to 1. Lightweight hand made cardboard tube would be 85g for 210 long section. This was 95g.
Now reduced internal structure and weight will be 82g for same length section. We'll see how that turns out.(3.5%lighter than lightweight cardboard)
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