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Old 08-15-2014, 04:05 PM   #21 (permalink)
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has anyone started modeling one?
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Old 08-16-2014, 04:14 PM   #22 (permalink)
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I have a printer ready to go would just need a file to print from.
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Old 08-18-2014, 07:32 PM   #23 (permalink)
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Has anyone considered the Makerbot Digitizer?

I am not exactly sure if it would be accurate enough, as the resolution is +/-2mm(.079in)

https://store.makerbot.com/digitizer

Ty
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Old 08-21-2014, 11:24 AM   #24 (permalink)
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No promises on when it will be done but I can probably start modeling something for this next week.
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Old 08-21-2014, 01:52 PM   #25 (permalink)
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I have to ask... how, exactly, do you plan to map the curves and points in 3d space? I am, of course, figuring you do not have a 3d scanner.

I am most interested, as i am at a loss as to how to reverse engineer organic shapes without a 3d scanner.

Ty
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Brass Monkey Customs

Brass Freak compatible and Equation inserts in .665, .670, .675, .678, .680 and .685

Current Freak compatible inserts in stock:
.665 = 0, .670 = 16, .675 = 3, .678 = 4, .680 = 4, .682 = 4, .685 = 11

Still selling brass tubing, with .678 barrel stock now available!

My feedback: MCB - eBay - AO
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Old 08-21-2014, 01:58 PM   #26 (permalink)
I have two brass barrels!
 
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Quote:
Originally Posted by tymcneer View Post
I have to ask... how, exactly, do you plan to map the curves and points in 3d space? I am, of course, figuring you do not have a 3d scanner.

I am most interested, as i am at a loss as to how to reverse engineer organic shapes without a 3d scanner.

Ty
Same here Ty. I've tried doing the same but cannot reverse engineer organic shapes either. Now, I can come up with a new design, just can't figure out how to replicate designs like the Rotor.
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Old 08-21-2014, 02:13 PM   #27 (permalink)
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With a combination of defined features and surfacing. You define the interface to the existing Rotor base off of measurements and extrude those in your model. Then, you get to work figuring out how to surface. It's not easy to get right off the bat, but that is how you get organic shapes in an engineering CAD program.
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Old 08-21-2014, 02:31 PM   #28 (permalink)
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I primarily using solidworks. I like to map out my points on 3 main sketches/planes so I know all of the desired points/features/curvature will be at the locations that I want them. For more organic/odd shaped items I usually use a series of surface lofts and sweeps to match what I am designing and after I have formed it into a solid I add in my holes, screw locations, ribs, interlocking features.... every project is different but that is a general idea of what I plan on doing for this part.
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Old 08-21-2014, 02:40 PM   #29 (permalink)
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Excellent. Thank you the answer... in my vast quantity of free time I should experiment with doing this in my copy of Solidworks.

Ty
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Brass Monkey Customs

Brass Freak compatible and Equation inserts in .665, .670, .675, .678, .680 and .685

Current Freak compatible inserts in stock:
.665 = 0, .670 = 16, .675 = 3, .678 = 4, .680 = 4, .682 = 4, .685 = 11

Still selling brass tubing, with .678 barrel stock now available!

My feedback: MCB - eBay - AO
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Old 08-22-2014, 03:29 PM   #30 (permalink)
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Does anyone have an exalt feed cap that they could pull some dimensions off of (diameter(s), height(s))? I will try to model it to use the standard rotor lid but due to the change in curvature to get the target capacity it will likely be easier to use some other type of lid/cap.

Thanks.
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