rbent Forum - 3D Printing

jcsadowski

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3D Printing
Aug 13^th, 2015, 6:39pm

I have been interested in 3D for a long time. ow I find the Richardson Public Library has a 3D printer and will print for anyone with a Library Card.
Here are a few prototypes I am working with.

My first try for an extra hand old on the Encore.

On the encore there is no level place on the handlebars so I invented one:

The plastic comes in whatever color loaded in the printer at that time. This one was spray painted.

Prototype no 3. Still not right but better.

Another mount located on the stem:

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TonyWard Five Star Member rbent member Posts: 958	Re: 3D Printing Reply #1 - Aug 13^th, 2015, 7:56pm very cool!! looks like it s coming together
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dd5339 Five Star Member rbent member Posts: 526	Re: 3D Printing Reply #2 - Aug 14^th, 2015, 4:53am Interesting, Frisco public library also has a 3-D printer. Those bar end plugs on the J-Bars are just begging for an adapter for a Garmin mount. Might have to do some sketching and see what ideas come to mind. Semper Fi
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Monkeywrangler22 Five Star Member rbent member Posts: 1308	Re: 3D Printing Reply #3 - Aug 14^th, 2015, 7:25am We have the Minoura bar end plug mount but it tends rotate. But a chance to play with a 3D printer sounds like a blast!
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jcsadowski Five Star Member Clown #1 Posts: 1199	Re: 3D Printing Reply #4 - Aug 14^th, 2015, 9:10am Try www.tinkercad.com for easy 3D software. Of course "easy" is relative
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MrWizard Five Star Member bonus mile sponge Posts: 671	Re: 3D Printing Reply #5 - Aug 15^th, 2015, 3:18pm I have a makerbot2 - If you have something you want printed out, I'd be happy to run it out for you .. especially if its cool and I get one too Quote from jcsadowski on Aug 14^th, 2015, 9:10am: Try www.tinkercad.com for easy 3D software. Of course "easy" is relative
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jcsadowski

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Clown #1

Posts: 1199

Re: 3D Printing
Reply #6 - Aug 15^th, 2015, 7:08pm

Impressive..
I don't know if I have worked up to 'cool' yet but I am trying.

I get free printing at the library but I am not sure they have the printer calibrated correctly. I prints the holes but fills them with wisps of plastic. I just drill them out.
So far most of my do-dads have been for beta testing. Someday I may hve a finished product.

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MrWizard

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bonus mile sponge

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Re: 3D Printing
Reply #7 - Aug 16^th, 2015, 12:55pm

Wisps of plastic in holes are not uncommon, there are ways to "tune" the holes around that, but if the scad data causes the head to float across the hole, you get "threads"

Quote from jcsadowski on Aug 15^th, 2015, 7:08pm:

Impressive..
I don't know if I have worked up to 'cool' yet but I am trying.

I get free printing at the library but I am not sure they have the printer calibrated correctly. I prints the holes but fills them with wisps of plastic. I just drill them out.
So far most of my do-dads have been for beta testing. Someday I may hve a finished product.

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Tiger_Mike

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Posts: 208

Re: 3D Printing
Reply #8 - Aug 16^th, 2015, 2:47pm

The quality of the holes will also depend on their orientation. When the hole axis is vertical the holes will be reasonably round, but will often have ripples in them. When the hole axis is horizontal it will fill in with support material, and the hole will be a little ovoid. In any case, if the holes need to be cylindrical you usually have to do something to true them up.

I'm glad you mentioned these machines being available at some libraries - that's a good resource to know about. I've done a lot of 3d printing at Lockheed, but never for personal use (they frown on that).

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jcsadowski

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Posts: 1199

Re: 3D Printing
Reply #9 - Aug 16^th, 2015, 6:14pm

Quote:

Wisps of plastic in holes are not uncommon, there are ways to "tune" the holes around that, but if the scad data causes the head to float across the hole, you get "threads"

Vertical holes are no problem but the horizontal holes get the scad. I can usually just drill them out.

Also I suspect the 'public' printer is getting a little shopworn, the quality has gone down just since I started printing. The operators are not very tech.

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jcsadowski Five Star Member Clown #1 Posts: 1199	Re: 3D Printing Reply #10 - Aug 16^th, 2015, 6:56pm here is more... Two hand rests mounted on the old J-bars for painting. A little blurry but you get the idea. A bracket made for a friend to go on the stem of his low racer.
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jcsadowski Five Star Member Clown #1 Posts: 1199	Re: 3D Printing Reply #11 - Aug 16^th, 2015, 7:08pm Quote: I've done a lot of 3d printing at Lockheed, but never for personal use (they frown on that). Sounds like a fun job.
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jayg Five Star Member rbent member Posts: 4128	Re: 3D Printing Reply #12 - Aug 24^th, 2015, 5:03pm Have both Cateye and Garmin computers mounted on my Performer low racer's tiller. The Cateye's display was partially blocked by cable housings, as can be seen in the photo. Enter precision-fit, 3D-printed, hollow, ABS plastic mount by Sadowski. Perfect! Thanks, John.
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Monkeywrangler22 Five Star Member rbent member Posts: 1308	Re: 3D Printing Reply #13 - Aug 25^th, 2015, 5:49am Nice...
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