Stewmac lining clamps

Timbuck · Nov 2, 2020

I was intrigued by these new fangled lining clamps supplied by Stewmac..as these were designed for guitar I realised that they would be too big for my mini sized soprano linings at 6mm X 4mm....So I got the 3 D printers running and an hour later came up with this design...and it works very good holds the linings in place firmly with no gaps as the clamp jaws are an exact fit to the linings.....So now i will make up a few more and try them out on my next build.

E5A24AC2-88FC-43C2-8E45-5A8ED404F315 by Ken Timms,

23DEFD66-E1EF-4D76-80F0-BD159C352024 by Ken Timms,

2BA2B3B1-0E83-46D3-AF16-09FED026287F by Ken Timms,

D560F2EE-C3C2-45E4-9C31-EDCF48FD610A by Ken Timms, on Flickr

saltytri · Nov 2, 2020

Very, very slick!

John Colter · Nov 2, 2020

They look the business, Ken. How long before Janet starts using them to hang the washing on the line?

sequoia · Nov 2, 2020

I guess I'm old school and still use these.

klr · Nov 3, 2020

Very nice. I don't know anything about 3d printing...so...how much does it cost to print one of those?

Timbuck · Nov 3, 2020

klr said:
Very nice. I don't know anything about 3d printing...so...how much does it cost to print one of those?

One of these weighs 3 gram ... a 300 gram spool of plastic filament costs about 14 Euros . then add on the cost of 2 "O" rings 0.1 cents and the amount of electricity for 7 mins printing time.?? I recon approx: 16 EU cents each

Stewmac kerfed lining clamps are approx: $3 each

Timbuck · Nov 3, 2020

That’s about enough sets to make up 40 clamps...all waiting for the O rings to arrive

232EA20A-F5C9-47B8-B0BC-EC98A60A3F7B by Ken Timms,

Friesen5 · Nov 3, 2020

Excellent idea and design. Are you going to make the printing file available on Thingiverse or on Ukulele Underground?

Mervin Friesen

klr · Nov 3, 2020

Timbuck said:
One of these weighs 3 gram ... a 300 gram spool of plastic filament costs about 14 Euros . then add on the cost of 2 "O" rings 0.1 cents and the amount of electricity for 7 mins printing time.?? I recon approx: 16 EU cents each

Stewmac kerfed lining clamps are approx: $3 each

Excellent! Thanks.

Timbuck · Nov 3, 2020

Friesen5 said:
Excellent idea and design. Are you going to make the printing file available on Thingiverse or on Ukulele Underground?

Mervin Friesen

yes it is now on Thingiverse ..by Uke Builder...kerfed lining clip Martin soprano...But you will have to wait 24 hours before it comes up. https://www.thingiverse.com/thing:4644362/files

ksquine · Nov 3, 2020

You have a 3D printer too?? Man, you have all the toys

CADzenklo · Nov 5, 2020

Timbuck said:
yes it is now on Thingiverse ..by Uke Builder...kerfed lining clip Martin soprano...But you will have to wait 24 hours before it comes up. https://www.thingiverse.com/thing:4642459/files

Great clamps. Thanks for developing. I had a look on thingiverse but unfortunately could not find them. I tried the link and the "normal" search function.

Timbuck · Nov 5, 2020

CADzenklo said:
Great clamps. Thanks for developing. I had a look on thingiverse but unfortunately could not find them. I tried the link and the "normal" search function.

Yes they seem to have disappeared on thingiverse ?
I am going to have another go at listing them.

CADzenklo · Nov 5, 2020

Thanks Ken. Would be a pleasure to print a bunch of these.

Timbuck · Nov 5, 2020

CADzenklo said:
Thanks Ken. Would be a pleasure to print a bunch of these.

You should be able to get them here https://www.thingiverse.com/thing:4644362/files
Scroll down the page and look for "thing files"

CADzenklo · Nov 5, 2020

Timbuck said:
You should be able to get them here https://www.thingiverse.com/thing:4644362/files
Scroll down the page and look for "thing files"

Perfect; got them. Thank you very much.

Timbuck · Nov 6, 2020

First try out with the clamps...the O rings I’m using are 9mm inner dia with a 4mm cross section...you can use 9mm x 2mm c/s and double or triple for more pressure.
They seem to do the job ok.

94E7D4D2-0945-469A-B68D-A62A36487558 by Ken Timms, on Flickr

John Colter · Nov 6, 2020

That's impressive, Ken. I've always used clothes pegs, but they are not a good fit.

John Colter

Jerryc41 · Nov 6, 2020

Timbuck said:
I was intrigued by these new fangled lining clamps supplied by Stewmac..as these were designed for guitar I realised that they would be too big for my mini sized soprano linings at 6mm X 4mm....So I got the 3 D printers running and an hour later came up with this design...and it works very good holds the linings in place firmly with no gaps as the clamp jaws are an exact fit to the linings.....So now i will make up a few more and try them out on my next build.

Very nice, yet I still not tempted to get a 3D printer. Clothes pins work fine for me.

Timbuck · Nov 17, 2020

ukantor said:
That's impressive, Ken. I've always used clothes pegs, but they are not a good fit.

John Colter

Another bonus with these is that you can press on the tops of the clamps downwards and automaticity set the kerfing level with the side ribs.

Stewmac lining clamps

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